JPS53139794A - Production of modified hetero polysacchride - Google Patents

Production of modified hetero polysacchride

Info

Publication number
JPS53139794A
JPS53139794A JP6205177A JP6205177A JPS53139794A JP S53139794 A JPS53139794 A JP S53139794A JP 6205177 A JP6205177 A JP 6205177A JP 6205177 A JP6205177 A JP 6205177A JP S53139794 A JPS53139794 A JP S53139794A
Authority
JP
Japan
Prior art keywords
polysacchride
production
modified hetero
hetero
modified
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.)
Pending
Application number
JP6205177A
Other languages
Japanese (ja)
Inventor
Ei Nasurando Raasu
Ai Rasukin Aren
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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
Priority claimed from US05/794,725 external-priority patent/US4182860A/en
Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of JPS53139794A publication Critical patent/JPS53139794A/en
Pending 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
JP6205177A 1977-05-09 1977-05-27 Production of modified hetero polysacchride Pending JPS53139794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/794,725 US4182860A (en) 1975-11-10 1977-05-09 Modified heteropolysaccharides and their preparation

Publications (1)

Publication Number Publication Date
JPS53139794A true JPS53139794A (en) 1978-12-06

Family

ID=25163476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6205177A Pending JPS53139794A (en) 1977-05-09 1977-05-27 Production of modified hetero polysacchride

Country Status (2)

Country Link
JP (1) JPS53139794A (en)
DE (1) DE2725069C2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591578A (en) * 1968-04-29 1971-07-06 Melle Bezons Process for treating polysaccharides produced by fermentation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355447A (en) * 1964-04-28 1967-11-28 Kelco Co Treatment of xanthomonas hydrophilic colloid and resulting product
US3243000A (en) * 1965-06-23 1966-03-29 Exxon Production Research Co Method and composition for drilling wells and similar boreholes
US3729460A (en) * 1970-03-02 1973-04-24 J Patton Modified heteropolysaccharides
US3773752A (en) * 1971-02-25 1973-11-20 Phillips Petroleum Co Recovery of microbial polysaccharides
US3801502A (en) * 1971-09-23 1974-04-02 Phillips Petroleum Co Waterflood bacterial viscosifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591578A (en) * 1968-04-29 1971-07-06 Melle Bezons Process for treating polysaccharides produced by fermentation

Also Published As

Publication number Publication date
DE2725069A1 (en) 1978-11-23
DE2725069C2 (en) 1986-08-07

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