DE3571478D1 - Thermal stabilisation process for aqueous polysaccharide solutions - Google Patents

Thermal stabilisation process for aqueous polysaccharide solutions

Info

Publication number
DE3571478D1
DE3571478D1 DE8585402354T DE3571478T DE3571478D1 DE 3571478 D1 DE3571478 D1 DE 3571478D1 DE 8585402354 T DE8585402354 T DE 8585402354T DE 3571478 T DE3571478 T DE 3571478T DE 3571478 D1 DE3571478 D1 DE 3571478D1
Authority
DE
Germany
Prior art keywords
aqueous polysaccharide
polysaccharide solutions
stabilisation process
thermal stabilisation
solution
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
DE8585402354T
Other languages
German (de)
English (en)
Inventor
Jean-Louis Linossier
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3571478D1 publication Critical patent/DE3571478D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
    • C09K8/905—Biopolymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Emergency Medicine (AREA)
  • Biochemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Jellies, Jams, And Syrups (AREA)
DE8585402354T 1984-12-05 1985-11-29 Thermal stabilisation process for aqueous polysaccharide solutions Expired DE3571478D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8418506A FR2574082B1 (fr) 1984-12-05 1984-12-05 Procede de stabilisation thermique de solutions aqueuses de polysaccharides

Publications (1)

Publication Number Publication Date
DE3571478D1 true DE3571478D1 (en) 1989-08-17

Family

ID=9310234

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585402354T Expired DE3571478D1 (en) 1984-12-05 1985-11-29 Thermal stabilisation process for aqueous polysaccharide solutions

Country Status (9)

Country Link
US (1) US4898819A (en, 2012)
EP (1) EP0187074B1 (en, 2012)
AT (1) ATE44581T1 (en, 2012)
BR (1) BR8506040A (en, 2012)
CA (1) CA1247607A (en, 2012)
DE (1) DE3571478D1 (en, 2012)
FR (1) FR2574082B1 (en, 2012)
IN (1) IN166054B (en, 2012)
NO (1) NO854881L (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0196199A3 (en) * 1985-03-25 1988-09-07 Pfizer Inc. Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature
FR2634219B1 (fr) * 1988-07-13 1992-04-24 Rhone Poulenc Chimie Nouvel heteropolysaccharide bm07, procede permettant son obtention et son application dans divers types d'industries
GB8828795D0 (en) * 1988-12-09 1989-01-18 Univ Nottingham Improvements in/relating to polysaccharide systems
US8662171B2 (en) * 2010-03-25 2014-03-04 Montgomery Chemicals, Llc Method and composition for oil enhanced recovery
CA2832230C (en) * 2011-04-05 2019-11-12 Montgomery Chemicals Llc Method and compositions for enhanced oil recovery
CN108641685B (zh) * 2018-05-30 2020-11-27 中国石油集团川庆钻探工程有限公司工程技术研究院 一种钻井液用包合型长效除氧剂及制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352679A (en) * 1981-04-10 1982-10-05 Fmc Corporation Deoxygenating equipment and method of operation
US4425246A (en) * 1981-09-18 1984-01-10 Exxon Research & Engineering Co. Oil recovery using stabilized saline heat-treated heteropolysaccharide solutions
EP0106666B1 (en) * 1982-10-15 1987-03-25 Pfizer Inc. Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with dithionite
US4458753A (en) * 1982-10-15 1984-07-10 Pfizer Inc. Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with borohydride

Also Published As

Publication number Publication date
EP0187074B1 (fr) 1989-07-12
FR2574082B1 (fr) 1987-01-16
IN166054B (en, 2012) 1990-03-03
EP0187074A1 (fr) 1986-07-09
BR8506040A (pt) 1986-08-19
US4898819A (en) 1990-02-06
FR2574082A1 (fr) 1986-06-06
NO854881L (no) 1986-06-06
CA1247607A (fr) 1988-12-28
ATE44581T1 (de) 1989-07-15

Similar Documents

Publication Publication Date Title
EP0587715A4 (en) WATER-INSOLUBLE DERIVATIVES OF POLYANIONIC POLYSACCHARIDES.
KR910000771A (ko) 새로운 헤파린 유도체 및 그 제조방법
HUP9802337A2 (hu) Eljárás poliszacharidok aktiválására, az eljárással nyert poliszacharidok és ezek alkalmazása
MTP1025B (en) Liquid enzymatic detergents
EP0387002A3 (en) Well treatment fluid comprising crosslinkable cellulose derivative
NO174523C (en, 2012)
HRP930458A2 (en) Aqueous n-methylmorpholine n-oxide solution of cellulose
HUT52118A (en) Process for modifying alginates and other compounds containing uronic acid, by way of treatment with carbon dioxide
DE3571478D1 (en) Thermal stabilisation process for aqueous polysaccharide solutions
DE3363140D1 (en) Process for recovering insulin
GB2019825A (en) Process for stabilization of sodium percarbonate
GB1471482A (en) Heparing salts
KR870003220A (ko) 희토류 광석의 처리방법
BG49501A3 (en) Method for regenerating of sorbent
ES8404378A1 (es) "un procedimiento mejorado de preparacion de una sal de metal alcalino de carboximetilcelulosa".
DE3561158D1 (en) Process for the stabilization of polyamides, stabilizer compositions used in this process and the stabilized polyamides obtained
HUT61720A (en) Process for treating dinitroamino derivatives, for reducing their content of impurities and for their stabilization
KR890017418A (ko) 세라믹 섬유의 처리방법
ES455378A1 (es) Procedimiento para estabilizar soluciones acuosas de hipo- cloritos.
EP0196199A3 (en) Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature
AU577272B2 (en) Production of ammonium nitrate
EP0103483A3 (en) A method of preparing modified heteropolysaccharides in buffered brine and their use for oil recovery
PT81705A (en) Process for preparing dobutamine salts
GB1421073A (en) Stabilising methionine
KR950002789A (ko) 개선된 저점도의 고농도 황산바륨 조영제 및 그의 제조방법

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee