FR2391277B1 - - Google Patents

Info

Publication number
FR2391277B1
FR2391277B1 FR7814252A FR7814252A FR2391277B1 FR 2391277 B1 FR2391277 B1 FR 2391277B1 FR 7814252 A FR7814252 A FR 7814252A FR 7814252 A FR7814252 A FR 7814252A FR 2391277 B1 FR2391277 B1 FR 2391277B1
Authority
FR
France
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
FR7814252A
Other languages
French (fr)
Other versions
FR2391277A1 (fr
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.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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 SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Publication of FR2391277A1 publication Critical patent/FR2391277A1/fr
Application granted granted Critical
Publication of FR2391277B1 publication Critical patent/FR2391277B1/fr
Granted 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
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
    • 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
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/92—Biocidal
    • 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
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/935—Enhanced oil recovery
    • Y10S507/936—Flooding the formation

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FR7814252A 1977-05-16 1978-05-12 Clarification d'une solution de polymere produite de maniere microbienne Granted FR2391277A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/797,093 US4119491A (en) 1977-05-16 1977-05-16 Enzyme-filtration clarification of xanthan gum polymer solution

Publications (2)

Publication Number Publication Date
FR2391277A1 FR2391277A1 (fr) 1978-12-15
FR2391277B1 true FR2391277B1 (https=) 1981-01-30

Family

ID=25169881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7814252A Granted FR2391277A1 (fr) 1977-05-16 1978-05-12 Clarification d'une solution de polymere produite de maniere microbienne

Country Status (7)

Country Link
US (1) US4119491A (https=)
JP (1) JPS53145987A (https=)
DE (1) DE2820894C2 (https=)
FR (1) FR2391277A1 (https=)
GB (1) GB1598594A (https=)
IT (1) IT1096209B (https=)
NL (1) NL7805141A (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548078A (en) * 1977-03-14 1979-07-04 Tate & Lyle Ltd Process for the production of polysaccarides of controlled viscosity
FR2398874A1 (fr) * 1977-07-25 1979-02-23 Inst Francais Du Petrole Utilisation de mouts de fermentation pour la recuperation assistee du petrole
US4165257A (en) * 1978-03-13 1979-08-21 Continental Oil Company Biopolymer filterability improvement by caustic-enzyme treatment
KR830002802B1 (ko) * 1978-12-04 1983-12-16 제임스 에프 · 너우톤 박테리아 발효에 의한 다당류 s-60의 제조방법
US4326037A (en) * 1979-11-01 1982-04-20 The United States Of America As Represented By The United States Department Of Energy Enzymatic method for improving the injectability of polysaccharides
DE3160096D1 (en) * 1980-05-08 1983-04-07 Shell Int Research Clarification of polysaccharide-containing fermentation products
US4299825A (en) * 1980-07-03 1981-11-10 Celanese Corporation Concentrated xanthan gum solutions
DE3172841D1 (en) * 1980-09-29 1985-12-12 Shell Int Research Treatment of pseudoplastic polysaccharide solutions
FR2491494B1 (fr) * 1980-10-06 1985-11-29 Inst Francais Du Petrole Procede enzymatique de clarification de gommes xanthanes permettant d'ameliorer leur injectivite et leur filtrabilite
FR2506328A1 (fr) * 1981-05-22 1982-11-26 Inst Francais Du Petrole Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtration de leurs solutions aqueuses
US4639322A (en) * 1983-11-03 1987-01-27 Pfizer Inc. Biopolymer compositions having enhanced filterability
GB8431653D0 (en) * 1984-12-14 1985-01-30 Shell Int Research Filterability of microbial broth
FR2597503B1 (fr) * 1986-03-10 1988-12-30 Inst Francais Du Petrole Procede enzymatique de traitement de gommes xanthanes en vue d'ameliorer la filtrabilite de leurs solutions aqueuses
FR2623207B1 (fr) * 1987-11-13 1990-05-18 Inst Francais Du Petrole Procede de purification d'un mout de polysaccharide dans le but d'en accroitre la filtrabilite et utilisation du mout purifie en recuperation assistee du petrole
US5019267A (en) * 1988-09-14 1991-05-28 Prowatec Gmbh Halle Process for mesophilic or thermophilic aerobico-enzymic conditioning of liquid organic substances and biomass
JPH03180608A (ja) * 1989-12-08 1991-08-06 Yoshida Kikai:Kk 道路除雪法
US5354671A (en) * 1992-06-26 1994-10-11 Shin-Etsu Chemical Co., Ltd. Enzymatic clarification of polysaccharides
JP3741734B2 (ja) 1994-06-30 2006-02-01 信越化学工業株式会社 キサンタンガムの回収精製方法
US8231921B2 (en) * 2006-12-15 2012-07-31 Cp Kelco U.S., Inc. High performance gellan gums and methods for production thereof
BRPI0804835A2 (pt) * 2008-11-06 2011-05-24 Quantas Biotecnologia S.A. processo industrial contìnuo para produção de polissacarìdeo sob a forma de caldo concentrado base água
US11001746B2 (en) 2016-08-10 2021-05-11 Geo Fossil Fuels, Llc Compositions comprising and methods of making bio-polymers
CN110258278B (zh) * 2019-06-28 2021-02-02 同济大学 利用微生物菌株处治水泥路面脱空的压浆材料及处理方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476741A (en) * 1967-01-20 1969-11-04 Nat Dairy Prod Corp Method for treating polysaccharides in the presence of an oxygen accepting agent
US3516983A (en) * 1968-01-11 1970-06-23 Kelco Co Treatment of xanthomonas hydrophilic colloid and resulting product
GB1288843A (https=) * 1969-07-12 1972-09-13
US3964972A (en) * 1970-03-02 1976-06-22 John Tinsman Patton Modified heteropolysaccharides
US3711462A (en) * 1970-04-01 1973-01-16 Mobil Oil Method of clarifying polysaccharide solutions
JPS5318520B2 (https=) * 1972-07-05 1978-06-15
US3919189A (en) * 1973-04-09 1975-11-11 Kelco Co Decreasing bacterial contamination of xanthan gum with propylene oxide
US4010071A (en) * 1974-10-10 1977-03-01 Merck & Co., Inc. Clarification of xanthan gum

Also Published As

Publication number Publication date
NL7805141A (nl) 1978-11-20
DE2820894C2 (de) 1986-07-31
GB1598594A (en) 1981-09-23
FR2391277A1 (fr) 1978-12-15
JPS53145987A (en) 1978-12-19
US4119491A (en) 1978-10-10
IT7823387A0 (it) 1978-05-12
JPS6244918B2 (https=) 1987-09-24
DE2820894A1 (de) 1978-11-30
IT1096209B (it) 1985-08-26

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