CH617719A5 - Process for the preparation of cellulosic fibres containing enzymes - Google Patents

Process for the preparation of cellulosic fibres containing enzymes Download PDF

Info

Publication number: CH617719A5
Authority: CH; Switzerland
Prior art keywords: process according; enzyme; fiber; water insoluble; insoluble solvent
Prior art date: 1973-03-22

Application number

CH396474A

Other languages

English (en)

Italian (it)

Inventor

Dino Dinelli

Francesco Bartoli

Silvio Gulinelli

Original Assignee

Snam Progetti

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.)

1973-03-22

Filing date

1974-03-21

Publication date

1980-06-13

1974-03-21 Application filed by Snam Progetti filed Critical Snam Progetti

1980-06-13 Publication of CH617719A5 publication Critical patent/CH617719A5/it

Links

108090000790 Enzymes Proteins 0.000 title claims description 31
102000004190 Enzymes Human genes 0.000 title claims description 31
238000000034 method Methods 0.000 title claims description 16
230000008569 process Effects 0.000 title claims description 13
238000002360 preparation method Methods 0.000 title claims description 6
239000000835 fiber Substances 0.000 claims description 42
229940088598 enzyme Drugs 0.000 claims description 30
239000000243 solution Substances 0.000 claims description 17
239000000839 emulsion Substances 0.000 claims description 10
239000000020 Nitrocellulose Substances 0.000 claims description 8
229920001220 nitrocellulos Polymers 0.000 claims description 8
239000000203 mixture Substances 0.000 claims description 7
230000035699 permeability Effects 0.000 claims description 7
239000007864 aqueous solution Substances 0.000 claims description 6
229920002678 cellulose Polymers 0.000 claims description 6
239000001913 cellulose Substances 0.000 claims description 6
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 5
DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 5
239000003638 chemical reducing agent Substances 0.000 claims description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
108010073038 Penicillin Amidase Proteins 0.000 claims description 4
DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
108700023418 Amidases Proteins 0.000 claims description 3
108010051210 beta-Fructofuranosidase Proteins 0.000 claims description 3
230000003197 catalytic effect Effects 0.000 claims description 3
102100026189 Beta-galactosidase Human genes 0.000 claims description 2
102100035882 Catalase Human genes 0.000 claims description 2
108010053835 Catalase Proteins 0.000 claims description 2
239000004366 Glucose oxidase Substances 0.000 claims description 2
108010015776 Glucose oxidase Proteins 0.000 claims description 2
108010059881 Lactase Proteins 0.000 claims description 2
108090000526 Papain Proteins 0.000 claims description 2
239000004365 Protease Substances 0.000 claims description 2
102000003929 Transaminases Human genes 0.000 claims description 2
108090000340 Transaminases Proteins 0.000 claims description 2
150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
102000005922 amidase Human genes 0.000 claims description 2
229910021529 ammonia Inorganic materials 0.000 claims description 2
HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 claims description 2
150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
108010005774 beta-Galactosidase Proteins 0.000 claims description 2
229940105657 catalase Drugs 0.000 claims description 2
238000006911 enzymatic reaction Methods 0.000 claims description 2
-1 ethyl amyl ketene Chemical compound 0.000 claims description 2
229940116332 glucose oxidase Drugs 0.000 claims description 2
235000019420 glucose oxidase Nutrition 0.000 claims description 2
CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 claims description 2
229930195733 hydrocarbon Natural products 0.000 claims description 2
150000002430 hydrocarbons Chemical class 0.000 claims description 2
239000001573 invertase Substances 0.000 claims description 2
235000011073 invertase Nutrition 0.000 claims description 2
229940116108 lactase Drugs 0.000 claims description 2
229940055729 papain Drugs 0.000 claims description 2
235000019834 papain Nutrition 0.000 claims description 2
238000009987 spinning Methods 0.000 claims description 2
239000003799 water insoluble solvent Substances 0.000 claims 3
239000004215 Carbon black (E152) Substances 0.000 claims 1
206010053567 Coagulopathies Diseases 0.000 claims 1
230000035602 clotting Effects 0.000 claims 1
239000003085 diluting agent Substances 0.000 claims 1
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
229930182555 Penicillin Natural products 0.000 description 6
JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 6
229940049954 penicillin Drugs 0.000 description 6
239000000463 material Substances 0.000 description 5
229920000642 polymer Polymers 0.000 description 5
229930006000 Sucrose Natural products 0.000 description 4
CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 4
239000005720 sucrose Substances 0.000 description 4
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
235000011114 ammonium hydroxide Nutrition 0.000 description 3
239000000701 coagulant Substances 0.000 description 3
230000002255 enzymatic effect Effects 0.000 description 3
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
229920006395 saturated elastomer Polymers 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
IYNDLOXRXUOGIU-LQDWTQKMSA-M benzylpenicillin potassium Chemical compound [K+].N([C@H]1[C@H]2SC([C@@H](N2C1=O)C([O-])=O)(C)C)C(=O)CC1=CC=CC=C1 IYNDLOXRXUOGIU-LQDWTQKMSA-M 0.000 description 2
238000009835 boiling Methods 0.000 description 2
WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 2
229930195734 saturated hydrocarbon Natural products 0.000 description 2
238000003756 stirring Methods 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 2
RHLVCLIPMVJYKS-UHFFFAOYSA-N 3-octanone Chemical compound CCCCCC(=O)CC RHLVCLIPMVJYKS-UHFFFAOYSA-N 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
229920002284 Cellulose triacetate Polymers 0.000 description 1
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
229910019142 PO4 Inorganic materials 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
108010046334 Urease Proteins 0.000 description 1
NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
230000009471 action Effects 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000007385 chemical modification Methods 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
229960002380 dibutyl phthalate Drugs 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
239000012528 membrane Substances 0.000 description 1
239000003094 microcapsule Substances 0.000 description 1
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
229960003424 phenylacetic acid Drugs 0.000 description 1
239000003279 phenylacetic acid Substances 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910000160 potassium phosphate Inorganic materials 0.000 description 1
235000011009 potassium phosphates Nutrition 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000011946 reduction process Methods 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
239000008096 xylene Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
- C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
- C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
- D01F2/10—Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Bioinformatics & Cheminformatics (AREA)
Zoology (AREA)
Genetics & Genomics (AREA)
Biochemistry (AREA)
Textile Engineering (AREA)
Biotechnology (AREA)
Biomedical Technology (AREA)
General Engineering & Computer Science (AREA)
General Health & Medical Sciences (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Microbiology (AREA)
Chemical Or Physical Treatment Of Fibers (AREA)
Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Artificial Filaments (AREA)
Medicinal Preparation (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

CH396474A 1973-03-22 1974-03-21 Process for the preparation of cellulosic fibres containing enzymes CH617719A5 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT21944/73A IT987038B (it)	1973-03-22	1973-03-22	Fibre cellulosiche ad alta per meabilita contenenti enzini e procedimento per la loro prepa razione

Publications (1)

Publication Number	Publication Date
CH617719A5 true CH617719A5 (en)	1980-06-13

Family

ID=11189179

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH396474A CH617719A5 (en)	1973-03-22	1974-03-21	Process for the preparation of cellulosic fibres containing enzymes

Country Status (29)

Country	Link
JP (1)	JPS5438657B2 (sv)
AR (1)	AR201575A1 (sv)
AT (1)	AT324265B (sv)
BE (1)	BE812571A (sv)
BR (1)	BR7402308D0 (sv)
CA (1)	CA1036966A (sv)
CH (1)	CH617719A5 (sv)
CS (1)	CS193502B2 (sv)
DD (1)	DD110310A5 (sv)
DK (1)	DK140146B (sv)
EG (1)	EG11444A (sv)
ES (1)	ES424884A1 (sv)
FR (1)	FR2222383B1 (sv)
GB (1)	GB1453744A (sv)
HU (1)	HU171038B (sv)
IE (1)	IE40379B1 (sv)
IL (1)	IL44510A (sv)
IN (1)	IN139465B (sv)
IT (1)	IT987038B (sv)
LU (1)	LU69676A1 (sv)
NL (1)	NL174164B (sv)
NO (1)	NO138450C (sv)
PL (1)	PL88670B1 (sv)
RO (1)	RO86222B (sv)
SE (1)	SE400974B (sv)
SU (1)	SU620218A4 (sv)
TR (1)	TR17899A (sv)
YU (1)	YU35630B (sv)
ZA (1)	ZA741842B (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1207172B (it) *	1979-02-15	1989-05-17	Anic Spa	Processo per la preparazione dicorpi microporosi inglobanti uno o piu' agenti attivi.
JPS55135591A (en) *	1979-04-09	1980-10-22	Mitsubishi Rayon Co Ltd	Preparation of fixed microorganism
GB2189809A (en) *	1986-05-03	1987-11-04	Michael Storey Otterburn	Immobilized biological material
EP0799894B1 (de) *	1996-02-09	2004-05-19	Degussa AG	Verfahren zur Herstellung von (S)-Cyanhydrinen

1973
- 1973-03-22 IT IT21944/73A patent/IT987038B/it active
1974
- 1974-03-12 TR TR17899A patent/TR17899A/xx unknown
- 1974-03-15 GB GB1173974A patent/GB1453744A/en not_active Expired
- 1974-03-15 IE IE570/74A patent/IE40379B1/xx unknown
- 1974-03-16 EG EG76/74A patent/EG11444A/xx active
- 1974-03-18 YU YU730/74A patent/YU35630B/xx unknown
- 1974-03-18 NL NLAANVRAGE7403628,A patent/NL174164B/xx not_active IP Right Cessation
- 1974-03-19 RO RO78089A patent/RO86222B/ro unknown
- 1974-03-20 BE BE142225A patent/BE812571A/xx not_active IP Right Cessation
- 1974-03-20 IN IN608/CAL/74A patent/IN139465B/en unknown
- 1974-03-20 NO NO740994A patent/NO138450C/no unknown
- 1974-03-20 HU HU74SA00002611A patent/HU171038B/hu unknown
- 1974-03-20 FR FR7409503A patent/FR2222383B1/fr not_active Expired
- 1974-03-20 DD DD177300A patent/DD110310A5/xx unknown
- 1974-03-21 CA CA195,673A patent/CA1036966A/en not_active Expired
- 1974-03-21 AT AT234574A patent/AT324265B/de not_active IP Right Cessation
- 1974-03-21 LU LU69676A patent/LU69676A1/xx unknown
- 1974-03-21 PL PL1974169703A patent/PL88670B1/pl unknown
- 1974-03-21 ZA ZA00741842A patent/ZA741842B/xx unknown
- 1974-03-21 AR AR252890A patent/AR201575A1/es active
- 1974-03-21 CH CH396474A patent/CH617719A5/it not_active IP Right Cessation
- 1974-03-21 SU SU742006550A patent/SU620218A4/ru active
- 1974-03-21 DK DK157374AA patent/DK140146B/da not_active IP Right Cessation
- 1974-03-22 CS CS742101A patent/CS193502B2/cs unknown
- 1974-03-22 ES ES424884A patent/ES424884A1/es not_active Expired
- 1974-03-22 BR BR2308/74A patent/BR7402308D0/pt unknown
- 1974-03-22 JP JP3158974A patent/JPS5438657B2/ja not_active Expired
- 1974-03-22 SE SE7403922A patent/SE400974B/sv unknown
- 1974-03-27 IL IL44510A patent/IL44510A/en unknown

Also Published As

Publication number	Publication date
ZA741842B (en)	1975-03-26
HU171038B (hu)	1977-10-28
GB1453744A (en)	1976-10-27
AR201575A1 (es)	1975-03-31
TR17899A (tr)	1976-11-01
NL174164B (nl)	1983-12-01
PL88670B1 (sv)	1976-09-30
RO86222B (ro)	1985-03-31
AU6649974A (en)	1975-09-11
DD110310A5 (sv)	1974-12-12
DE2414035A1 (de)	1974-10-03
DK140146B (da)	1979-06-25
FR2222383B1 (sv)	1977-10-07
NO740994L (no)	1974-09-24
CS193502B2 (en)	1979-10-31
IE40379L (en)	1974-09-22
NO138450B (no)	1978-05-29
NL7403628A (sv)	1974-09-24
BR7402308D0 (pt)	1974-11-19
BE812571A (fr)	1974-07-15
SU620218A4 (ru)	1978-08-15
DE2414035B2 (de)	1976-03-25
AT324265B (de)	1975-08-25
LU69676A1 (sv)	1974-07-17
FR2222383A1 (sv)	1974-10-18
NO138450C (no)	1978-09-06
YU35630B (en)	1981-04-30
YU73074A (en)	1980-09-25
CA1036966A (en)	1978-08-22
IE40379B1 (en)	1979-05-23
SE400974B (sv)	1978-04-17
IN139465B (sv)	1976-06-19
IT987038B (it)	1975-02-20
JPS5438657B2 (sv)	1979-11-22
DK140146C (sv)	1979-11-26
IL44510A0 (en)	1974-06-30
RO86222A (ro)	1985-03-15
IL44510A (en)	1977-03-31
EG11444A (en)	1977-09-30
ES424884A1 (es)	1976-05-16
JPS5029815A (sv)	1975-03-25

Publication	Publication Date	Title
US3715277A (en)	1973-02-06	Preparation of fibers containing fibers
US1683199A (en)	1928-09-04	Artificial thread and process for making same
KR101916978B1 (ko)	2018-11-08	음이온으로 개질된 셀룰로오스를 방사하기 위한 방법 및 그 방법을 이용하여 제조한 섬유
US3947325A (en)	1976-03-30	Preparation of high permeability cellulose fibers containing enzymes
US2243765A (en)	1941-05-27	Treatment of cellulosic textile materials
DE2806674A1 (de)	1978-08-24	Immobilisierte enzyme
JPS5584412A (en)	1980-06-25	Production of hollow fiber
CH617719A5 (en)	1980-06-13	Process for the preparation of cellulosic fibres containing enzymes
US4063883A (en)	1977-12-20	Manufacture of flame-retardant regenerated cellulose fibres
US4392916A (en)	1983-07-12	Paper-making process with regenerated chitin fibers
Tripp et al.	1961	Studies on the Cross-Linking of Cotton Cellulose: Part II: Microscopical Observations
McKelvey et al.	1963	The action of epichlorohydrin in the presence of alkalies and various salts on the crease recovery of cotton
GB1052621A (sv)
JPS627701A (ja)	1987-01-14	部分加水分解法
US2585516A (en)	1952-02-12	Preparation of impregnated cellulose and cellulose esters therefrom
DE2414035C3 (de)	1976-11-11	Verfahren zum Herstellen von Enzyme einschließenden bzw. umhüllenden Fasern auf Cellulosebasis
McLaughlin et al.	1955	A NEW TYPE OF CELLULOSE ETHER: THE PREPARATION AND PROPERTIES OF THE ω-(p-AMINOACETOPHENONE) ETHER OF CELLULOSE
DE19624866C1 (de)	1997-07-31	Verfahren zur Verbesserung der Reaktionsaktivität von Cellulose zur Herstellung von Celluloseacetat
EP0034293A2 (de)	1981-08-26	Verfahren zur Herstellung von Biokatalysatoren mit hoher mechanischer Festigkeit und hoher Beladung an enzymatisch aktiver Substanz und perlförmiger Biokatalysator
GB1572196A (en)	1980-07-23	Production of porous filaments and their uses
JPH09268201A (ja)	1997-10-14	酢酸セルロースの製造方法
US1877933A (en)	1932-09-20	Manufacture of artificial textiles
US2330813A (en)	1943-10-05	Carroting solution
JPH09143819A (ja)	1997-06-03	セルロースアセテート複合繊維及びその製造方法
US2172447A (en)	1939-09-12	Increasing the reactivity of cellulose to esterification reagents

Legal Events

Date	Code	Title	Description
1982-05-28	PUE	Assignment	Owner name: ANIC S.P.A.
1986-11-28	PL	Patent ceased
2024-10-31	PL	Patent ceased