ES442403A1 - Procedimiento para la obtencion de articulos espumados de materiales sinteticos termoplasticos. - Google Patents

Procedimiento para la obtencion de articulos espumados de materiales sinteticos termoplasticos.

Info

Publication number: ES442403A1
Authority: ES; Spain
Prior art keywords: blowing agents; dicarboxylic acid; acid anhydride; agents based; urea
Prior art date: 1974-11-07
Legal status (The legal status 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 status listed.): Expired

Application number

ES442403A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Bayer AG

Original Assignee

Bayer AG

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.)

1974-11-07

Filing date

1975-11-06

Publication date

1977-04-16

1975-11-06 Application filed by Bayer AG filed Critical Bayer AG

1977-04-16 Publication of ES442403A1 publication Critical patent/ES442403A1/es

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/05—Use of one or more blowing agents together

Landscapes

Chemical & Material Sciences (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

ES442403A 1974-11-07 1975-11-06 Procedimiento para la obtencion de articulos espumados de materiales sinteticos termoplasticos. Expired ES442403A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742452740 DE2452740A1 (de)	1974-11-07	1974-11-07	Treibmittel auf der basis von harnstoffdicarbonsaeureanhydrid

Publications (1)

Publication Number	Publication Date
ES442403A1 true ES442403A1 (es)	1977-04-16

Family

ID=5930201

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES442403A Expired ES442403A1 (es)	1974-11-07	1975-11-06	Procedimiento para la obtencion de articulos espumados de materiales sinteticos termoplasticos.

Country Status (12)

Country	Link
US (1)	US4104195A (es)
JP (1)	JPS5169566A (es)
BE (1)	BE835280A (es)
BR (1)	BR7507313A (es)
DD (1)	DD122992A5 (es)
DE (1)	DE2452740A1 (es)
ES (1)	ES442403A1 (es)
FR (1)	FR2290465A1 (es)
GB (1)	GB1524979A (es)
NL (1)	NL7512982A (es)
SE (1)	SE7512445L (es)
SU (1)	SU618050A3 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4190710A (en) *	1974-11-07	1980-02-26	Bayer Aktiengesellschaft	Blowing agents based on urea dicarboxylic acid anhydride
DE2964012D1 (en) *	1978-07-21	1982-12-16	Ciba Geigy Ag	Process for foaming synthetic resins and foamed synthetic resins obtained according to this process
GB8317799D0 (en) *	1983-06-30	1983-08-03	Fbc Ltd	Blowing agent compositions
US6884427B1 (en) *	1999-02-08	2005-04-26	Aderans Research Institute, Inc.	Filamentary means for introducing agents into tissue of a living host
EP1156756A4 (en)	1999-02-08	2006-02-01	Aderans Res Inst Inc	FILAMENTOUS DEVICE FOR INTRODUCING AGENTS INTO CELLS
AU7920901A (en) *	2000-08-08	2002-03-04	Bioamide Inc	Scaffolds for tissue engineered hair
US20040068284A1 (en) *	2002-01-29	2004-04-08	Barrows Thomas H.	Method for stimulating hair growth and kit for carrying out said method
US7597885B2 (en) *	2004-03-26	2009-10-06	Aderans Research Institute, Inc.	Tissue engineered biomimetic hair follicle graft
AR050212A1 (es) *	2004-08-13	2006-10-04	Aderans Res Inst Inc	Organogenesis a partir de celulas disociadas
US20070122387A1 (en) *	2005-11-22	2007-05-31	Aderans Research Institute, Inc.	Hair grafts derived from plucked hair
TW200800240A (en) *	2005-11-22	2008-01-01	Aderans Res Inst Inc	Hair follicle graft from tissue engineered skin
US7985537B2 (en) *	2007-06-12	2011-07-26	Aderans Research Institute, Inc.	Methods for determining the hair follicle inductive properties of a composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2832744A (en) *	1954-07-14	1958-04-29	Olin Mathieson	Blowing agent for cellular plastic materials
US3177164A (en) *	1963-01-18	1965-04-06	Sun Oil Co	Process for foaming a mixture of asphalt and a copolymer of ethylene and vinyl acetate and product produced therefrom
US3743605A (en) *	1971-06-02	1973-07-03	Uniroyal Inc	Dispersing aid-containing blowing agents for polymers and method of using the same

1974
- 1974-11-07 DE DE19742452740 patent/DE2452740A1/de active Pending
1975
- 1975-09-25 US US05/616,523 patent/US4104195A/en not_active Expired - Lifetime
- 1975-10-22 GB GB43312/75A patent/GB1524979A/en not_active Expired
- 1975-10-30 SU SU752186359A patent/SU618050A3/ru active
- 1975-11-05 NL NL7512982A patent/NL7512982A/xx unknown
- 1975-11-05 JP JP50132233A patent/JPS5169566A/ja active Pending
- 1975-11-05 BE BE161612A patent/BE835280A/xx unknown
- 1975-11-06 SE SE7512445A patent/SE7512445L/xx not_active Application Discontinuation
- 1975-11-06 BR BR7507313*A patent/BR7507313A/pt unknown
- 1975-11-06 DD DD189303A patent/DD122992A5/xx unknown
- 1975-11-06 ES ES442403A patent/ES442403A1/es not_active Expired
- 1975-11-07 FR FR7534174A patent/FR2290465A1/fr active Granted

Also Published As

Publication number	Publication date
DE2452740A1 (de)	1976-05-13
JPS5169566A (en)	1976-06-16
SE7512445L (sv)	1976-05-10
DD122992A5 (de)	1976-11-12
SU618050A3 (ru)	1978-07-30
GB1524979A (en)	1978-09-13
FR2290465A1 (fr)	1976-06-04
NL7512982A (nl)	1976-05-11
BE835280A (fr)	1976-05-05
US4104195A (en)	1978-08-01
BR7507313A (pt)	1976-08-03
FR2290465B1 (es)	1979-01-19

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