FR2490241B1 - Procede de preparation d'acide l-aspartique, mousse de polyether polyurethane hydrophile a utiliser et procede pour sa preparation - Google Patents

Procede de preparation d'acide l-aspartique, mousse de polyether polyurethane hydrophile a utiliser et procede pour sa preparation

Info

Publication number
FR2490241B1
FR2490241B1 FR8117508A FR8117508A FR2490241B1 FR 2490241 B1 FR2490241 B1 FR 2490241B1 FR 8117508 A FR8117508 A FR 8117508A FR 8117508 A FR8117508 A FR 8117508A FR 2490241 B1 FR2490241 B1 FR 2490241B1
Authority
FR
France
Prior art keywords
preparation
aspartic acid
polyurethane foam
polyether polyurethane
hydrophilic polyether
Prior art date
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
FR8117508A
Other languages
English (en)
French (fr)
Other versions
FR2490241A1 (fr
Inventor
Wayne Elliott Swann
Murray Campbell Fusee
Gary Jim Calton
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2490241A1 publication Critical patent/FR2490241A1/fr
Application granted granted Critical
Publication of FR2490241B1 publication Critical patent/FR2490241B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/06—Alanine; Leucine; Isoleucine; Serine; Homoserine
    • 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
    • C12N11/08—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer
    • C12N11/089—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C12N11/093—Polyurethanes
    • 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
    • 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
    • C12N11/08—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer
    • C12N11/098—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a synthetic polymer formed in the presence of the enzymes or microbial cells
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/20—Aspartic acid; Asparagine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
FR8117508A 1980-09-17 1981-09-16 Procede de preparation d'acide l-aspartique, mousse de polyether polyurethane hydrophile a utiliser et procede pour sa preparation Expired FR2490241B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18793880A 1980-09-17 1980-09-17

Publications (2)

Publication Number Publication Date
FR2490241A1 FR2490241A1 (fr) 1982-03-19
FR2490241B1 true FR2490241B1 (fr) 1986-05-16

Family

ID=22691106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117508A Expired FR2490241B1 (fr) 1980-09-17 1981-09-16 Procede de preparation d'acide l-aspartique, mousse de polyether polyurethane hydrophile a utiliser et procede pour sa preparation

Country Status (9)

Country Link
JP (1) JPS5774091A (nl)
AU (1) AU549140B2 (nl)
CA (1) CA1173387A (nl)
CH (1) CH650798A5 (nl)
DE (1) DE3134893A1 (nl)
FR (1) FR2490241B1 (nl)
IT (1) IT1136579B (nl)
NL (1) NL8102155A (nl)
SE (1) SE8104944L (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19920262A1 (de) * 1999-05-04 2000-11-09 Beiersdorf Ag Verfahren zur Herstellung einer Polyurethanmatrix mit kovalent immobilisierten Biomolekülen
CN112105664B (zh) * 2018-04-30 2022-10-28 赢创运营有限公司 得自多天冬氨酸酯和仲杂环胺衍生的天冬氨酸酯的聚脲组合物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1108533A (en) * 1965-03-20 1968-04-03 Kyowa Hakko Kogyo Kk Water-insoluble enzymes
GB1470291A (en) * 1972-05-03 1977-04-14 Grace W R & Co Catalyst for biochemical reaction and method of preparing it
US4098645A (en) * 1976-02-24 1978-07-04 W. R. Grace & Co. Immobilization of proteins with polyurethane polymers
US4226935A (en) * 1978-08-07 1980-10-07 W. R. Grace & Co. Enzymatic diagnostic composition
JPS5675097A (en) * 1979-11-27 1981-06-20 Kyowa Hakko Kogyo Co Ltd Thermophilic aspartase and its preparation

Also Published As

Publication number Publication date
JPS5774091A (en) 1982-05-10
IT8121235A0 (it) 1981-04-16
AU549140B2 (en) 1986-01-16
CH650798A5 (de) 1985-08-15
IT1136579B (it) 1986-09-03
AU7357681A (en) 1982-03-25
CA1173387A (en) 1984-08-28
DE3134893A1 (de) 1982-07-08
FR2490241A1 (fr) 1982-03-19
NL8102155A (nl) 1982-04-16
SE8104944L (sv) 1982-03-18

Similar Documents

Publication Publication Date Title
US4340479B1 (en) Process for preparing hydrophilic polyamide membrane filter media and product
BE882058A (fr) Procede pour la preparation de polyurethanne a peau integrale et polyurethanne obtenu
FR2490951B1 (fr) Procede et appareillage pour la fabrication d'un element de membre artificiel et element obtenu
FR2485303B1 (fr) Procede de correction d'erreurs notamment pour la transmission audio-pcm
FR2461588B1 (fr) Procede de faconnage d'un materiau permeable et souple et materiau obtenu
FR2476102B1 (fr) Procede de preparation d'un prepolymere du type maleimide thermo-durcissable
FR2343766A1 (fr) Procede pour la preparation de polyurethanne a peau integrale et polyurethanne obtenu
BE893705A (fr) Procede de fabrication d'un materiau mousse, notamment une mousse de polyurethanne
BE893451Q (fr) Procede et machine d'empilement, notamment de couches jetables
FR2489340B1 (fr) Amino-polyol modifie, son procede de preparation et son utilisation pour la preparation de mousse de polyurethane rigide amelioree
DE3169373D1 (en) Process for the manufacture of polyether polyols and their use for preparing polyurethanes
FR2496392B1 (fr) Procede et dispositif pour le traitement d'espaces verts et en particulier de pelouses
DE3267968D1 (en) Method for the preparation of polymers containing polyoxyalkylene side chains
BE893876A (fr) Procede pour le traitement du syndrome de detresse respiratoire chez l'adulte
DE3172820D1 (en) Sheets or moulded bodies, methods for their manufacture and aqueous emulsions for use in their manufacture
FR2496106B1 (fr) Derives d'acide 7-acylaminocephalosporanique et procede pour leur preparation
FR2490241B1 (fr) Procede de preparation d'acide l-aspartique, mousse de polyether polyurethane hydrophile a utiliser et procede pour sa preparation
FR2522266B1 (fr) Procede de preparation d'un agent fibrinolytiquement actif et agent obtenu
FR2490219B1 (fr) Procede de preparation de l-alanine, mousse de polyether polyurethane hydrophile a utiliser et procede pour sa preparation
FR2474485B1 (fr) Procede et catalyseur pour la production de composes alcenylaromatiques
DE3273411D1 (en) Device and process for the production of cheese curd
BE887629A (fr) Procede de preparation d'amines secondaires
FR2474482B1 (fr) Procede et catalyseur pour la production de composes alcenylaromatiques
RO82996A2 (ro) Spuma poliuretanica rigida si procedeu de obtinere a acesteia
BE890629A (fr) Procede de preparation d'acetaldehyde

Legal Events

Date Code Title Description
ST Notification of lapse