[go: up one dir, main page]

TR200701707A2 - Bir emici ve dağıtıcı bileşen ve üretim yöntemi. - Google Patents

Bir emici ve dağıtıcı bileşen ve üretim yöntemi.

Info

Publication number
TR200701707A2
TR200701707A2 TR2007/01707A TR200701707A TR200701707A2 TR 200701707 A2 TR200701707 A2 TR 200701707A2 TR 2007/01707 A TR2007/01707 A TR 2007/01707A TR 200701707 A TR200701707 A TR 200701707A TR 200701707 A2 TR200701707 A2 TR 200701707A2
Authority
TR
Turkey
Prior art keywords
absorbent
manufacture
dispersing component
component
dye
Prior art date
Application number
TR2007/01707A
Other languages
English (en)
Inventor
Evyap Arin Ay�E
Zer Emre
K���Ko�Lu �Ule
Gen� G�Ltek�N
Aky�Z S�Nan
S�Zen Mesut
Alg�L Fatma
Original Assignee
Evyap Sabun Ya� Gl�Ser�N Sanay� Ve T�Caret Anon�M ��Rket�
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evyap Sabun Ya� Gl�Ser�N Sanay� Ve T�Caret Anon�M ��Rket� filed Critical Evyap Sabun Ya� Gl�Ser�N Sanay� Ve T�Caret Anon�M ��Rket�
Priority to TR2007/01707A priority Critical patent/TR200701707A2/tr
Priority to EA200901131A priority patent/EA200901131A1/ru
Priority to EP08719643A priority patent/EP2124862A1/en
Priority to PCT/IB2008/050883 priority patent/WO2008114165A1/en
Priority to GEAP200811479A priority patent/GEP20146095B/en
Publication of TR200701707A2 publication Critical patent/TR200701707A2/tr

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers of the pads
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F13/51394Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability creating a visual effect, e.g. having a printed or coloured topsheet, printed or coloured sub-layer but being visible from the topsheet, other than embossing for purposes of bonding, wicking, acquisition, leakage-prevention
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15292Resistance, i.e. modulus or strength
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15406Basis weight
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15463Absorbency
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers of the pads
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F2013/51377Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having decoration properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530131Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
    • A61F2013/530182Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp characterized by the connection between the fibres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530131Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
    • A61F2013/530182Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp characterized by the connection between the fibres
    • A61F2013/530189Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp characterized by the connection between the fibres with thermoplastic adhesive
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530131Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
    • A61F2013/530343Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp being natural fibres
    • A61F2013/53035Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp being natural fibres of cotton

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Coloring (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Paper (AREA)

Abstract

Bu buluş kadın bağı olarak sağlık ve hijyen sektöründe kullanılan, sıvıyı daha hızlı emen ve daha az geri veren boya baskılı bir emici ve dağıtıcı bileşenin (5) üretim yöntemi ve bu yönteme göre üretilmiş emici ve dağıtıcı bileşen (5) ile ilgilidir.
TR2007/01707A 2007-03-19 2007-03-19 Bir emici ve dağıtıcı bileşen ve üretim yöntemi. TR200701707A2 (tr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
TR2007/01707A TR200701707A2 (tr) 2007-03-19 2007-03-19 Bir emici ve dağıtıcı bileşen ve üretim yöntemi.
EA200901131A EA200901131A1 (ru) 2007-03-19 2008-03-11 Многослойный впитывающий и диспергирующий элемент и способ его изготовления
EP08719643A EP2124862A1 (en) 2007-03-19 2008-03-11 A layered acquisition/distribution component and a production method thereof
PCT/IB2008/050883 WO2008114165A1 (en) 2007-03-19 2008-03-11 A layered acquisition/distribution component and a production method thereof
GEAP200811479A GEP20146095B (en) 2007-03-19 2008-03-11 Layered acquisition and distribution component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2007/01707A TR200701707A2 (tr) 2007-03-19 2007-03-19 Bir emici ve dağıtıcı bileşen ve üretim yöntemi.

Publications (1)

Publication Number Publication Date
TR200701707A2 true TR200701707A2 (tr) 2008-10-21

Family

ID=39561243

Family Applications (1)

Application Number Title Priority Date Filing Date
TR2007/01707A TR200701707A2 (tr) 2007-03-19 2007-03-19 Bir emici ve dağıtıcı bileşen ve üretim yöntemi.

Country Status (5)

Country Link
EP (1) EP2124862A1 (tr)
EA (1) EA200901131A1 (tr)
GE (1) GEP20146095B (tr)
TR (1) TR200701707A2 (tr)
WO (1) WO2008114165A1 (tr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110162989A1 (en) 2010-01-06 2011-07-07 Ducker Paul M Ultra thin laminate with particulates in dense packages
US9549858B2 (en) 2010-01-06 2017-01-24 Ching-Yun Morris Yang Ultra-thin absorbent article
US20120253308A1 (en) * 2011-04-04 2012-10-04 Joanna Misiti Article including visual signal for communication of a functional benefit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798603A (en) * 1987-10-16 1989-01-17 Kimberly-Clark Corporation Absorbent article having a hydrophobic transport layer
DK0565606T3 (da) 1991-01-03 1995-05-22 Procter & Gamble Absorberende artikel med hurtigt absorberende flerlagskerne
JP3501806B2 (ja) * 1993-07-26 2004-03-02 ザ、プロクター、エンド、ギャンブル、カンパニー ドライ/ウエット保全性が改良された吸収材製品
US5562650A (en) * 1994-03-04 1996-10-08 Kimberly-Clark Corporation Absorbent article having an improved surge management
US5599335A (en) * 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
CA2249214C (en) * 1996-03-22 2003-07-15 The Procter & Gamble Company Absorbent cores having improved acquisition capability, and absorbent articles containing them
US5977429A (en) 1996-08-22 1999-11-02 Eastman Chemical Company Synthetic polyester absorbent materials
DE20121311U1 (de) * 2000-07-21 2002-07-11 The Procter & Gamble Company, Cincinnati, Ohio Dunkel gefärbte saugfähige Artikel
US20040015145A1 (en) 2002-07-16 2004-01-22 The Procter & Gamble Company Absorbent article having a graphic visible through body contacting surface
JP2006043198A (ja) 2004-08-05 2006-02-16 Oji Nepia Kk ズレ止め機構を有する吸収性物品
CN101048121A (zh) * 2004-10-28 2007-10-03 麦克内尔-Ppc股份有限公司 具有可见标记的一次性吸收制品

Also Published As

Publication number Publication date
EP2124862A1 (en) 2009-12-02
EA200901131A1 (ru) 2010-06-30
WO2008114165A1 (en) 2008-09-25
GEP20146095B (en) 2014-05-27

Similar Documents

Publication Publication Date Title
DOP2009000269A (es) Anticuerpos humanizados contra el globulomero ab(20-42) y sus usos
CL2008000948A1 (es) Uso de un antagonista de celulas b para tratar la artritis reumatoide a condicion que se observe la presencia de polimorfismo de nucleotido simple, epitope compartido o ambos en una muestra genetica del paciente.
GT200800250A (es) Arilimidazolonas y ariltriazolonas sustituidas como inhibidores de receptores de vasopresina
NO20083895L (no) Anti-IGF-1R human monoklonalantibody formulering
UY33386A (es) Proteínas de unión a il-1
CL2008001038A1 (es) Uso de una composicion que comprende un antagonosta h1, y un compuesto anti-tnf alfa para tratar conjuntivitis alegica o rinitis alergiva en un sujeto humano
DOP2011000274A (es) Proteinas de union a il-17
BRPI0814420A2 (pt) composição, e, uso de álcool alcoxilado.
BRPI0720124A2 (pt) Composições farmacêuticas e seus métodos de uso.
NO20082531L (no) Neuropilinantagonister
UY30226A1 (es) Composiciones farmacéuticas
ATE542704T1 (de) Sitz
EP2258504A4 (en) SCREW MILL AND CUTTING INSERT THEREOF
CL2008000403A1 (es) Compuestos derivados de pentafluorotiobenzamido-acetonitrilo; composicion farmaceutica; y uso para tratar una infestacion por parasitos.
DE502007006232D1 (de) Kosmetische Formulierung mit Glucosylglyceriden und Puderrohstoffen
BRPI0702328B8 (pt) artigo absorvente conformável
AR067721A1 (es) Polimeros emulsionantes y su utilizacion
DK2129391T3 (da) Diagnostisk fremgangsmåde
TR200701707A2 (tr) Bir emici ve dağıtıcı bileşen ve üretim yöntemi.
BRPI0818121A2 (pt) diespiro 1,2,4-trioxolano e seus métodos de fabricação e utilização
CL2007003825A1 (es) Composicion farmaceutica que comprende un anticuerpo monoclonal humanizado anti-antigeno de diferenciacion leucocitario humano cd6; y su uso para el diagnostico y tratamiento de la leucemia linfocitaria cronica b.
AR060849A1 (es) Polimeros cationicos hidrofobicamente modificados y sus composiciones para el cuidado personal
MX350019B (es) Forma cristalina 1 de 2-((r)-2-metilpirrolidin-2-il)-1h-bencimidaz ol-4-carboxamida.
BR112012002490A2 (pt) composição limpadora com baixa irritabilidade, composição concentrada e seu uso
BR112012002492A2 (pt) composição limpadora com baixa irritabilidade, composição concentrada e seu uso