GB1231324A – – Google Patents
GB1231324A – – Google Patents
Info
Publication number
GB1231324A
GB1231324A
GB1231324DA
GB1231324A
GB 1231324 A
GB1231324 A
GB 1231324A
GB 1231324D A
GB1231324D A
GB 1231324DA
GB 1231324 A
GB1231324 A
GB 1231324A
Authority
GB
United Kingdom
Prior art keywords
feb
polyvinyl alcohol
water
alcoholysed
nemours
Prior art date
1968-02-23
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
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.)
1968-02-23
Filing date
1969-02-24
Publication date
1971-05-12
1969-02-24
Application filed
filed
Critical
1971-05-12
Publication of GB1231324A
publication
Critical
patent/GB1231324A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
C08J3/00—Processes of treating or compounding macromolecular substances
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Abstract
1,231,324. Polyvinyl alcohol. E. I. DU PONT DE NEMOURS & CO. 24 Feb., 1969 [23 Feb., 1968], No. 9820/69. Heading C3P. The water slurrying properties of a polyvinyl alcohol which is at least 70% alcoholysed are improved by heating to at least 50‹ C. in a 2-20% wt. solution of acetic acid in methanol and/or methyl acetate optionally containing up to 8% of water.
GB1231324D
1968-02-23
1969-02-24
Expired
GB1231324A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US70747268A
1968-02-23
1968-02-23
Publications (1)
Publication Number
Publication Date
GB1231324A
true
GB1231324A
(en)
1971-05-12
Family
ID=24841833
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1231324D
Expired
GB1231324A
(en)
1968-02-23
1969-02-24
Country Status (6)
Country
Link
US
(1)
US3497487A
(en)
JP
(1)
JPS4811814B1
(en)
BE
(1)
BE728743A
(en)
FR
(1)
FR2002544A1
(en)
GB
(1)
GB1231324A
(en)
NL
(1)
NL6902844A
(en)
Families Citing this family (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4293473A
(en)
*
1980-07-25
1981-10-06
E. I. Du Pont De Nemours And Company
Polyvinyl alcohol – crystalline solvent system based compositions modified with ethylene polymer
US4529775A
(en)
*
1983-10-03
1985-07-16
Air Products And Chemicals, Inc.
Method for increasing the low temperature water solubility and the sticking temperature of fully hydrolyzed polyvinyl alcohol
BE1002635A6
(en)
*
1988-12-09
1991-04-16
Amylum Nv
METHOD FOR MANUFACTURING A mixture of starch and polyvinyl alcohol AND THUS MANUFACTURED MIXTURE.
US5587204A
(en)
*
1995-03-22
1996-12-24
International Paper Company
Recyclable paperboard composites
US10125204B2
(en)
2016-03-08
2018-11-13
Kuraray Co., Ltd.
Particulate polyvinyl alcohol, process for making and uses of the same
US10858457B2
(en)
2017-08-17
2020-12-08
Kuraray Co., Ltd.
Particulate polyvinyl alcohol copolymers, process for making and uses of the same
US20190380257A1
(en)
2018-06-19
2019-12-19
Kuraray Co., Ltd.
Aqueous seed coating composition
US11118105B2
(en)
2018-08-28
2021-09-14
Kuraray Co., Ltd.
Polyvinyl alcohol based diverting agents
US11236260B2
(en)
2018-08-28
2022-02-01
Kuraray Co., Ltd.
Diverting agents based on thermoplastic polyvinyl alcohol pellets
CN113265068B
(en)
*
2021-05-26
2022-07-08
中山大学
Method for dissolving polyvinyl alcohol with high alcoholysis degree
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB322157A
(en)
*
1928-05-22
1929-11-22
Ig Farbenindustrie Ag
Manufacture of artificial materials
1968
1968-02-23
US
US707472A
patent/US3497487A/en
not_active
Expired – Lifetime
1969
1969-02-21
BE
BE728743D
patent/BE728743A/xx
unknown
1969-02-24
GB
GB1231324D
patent/GB1231324A/en
not_active
Expired
1969-02-24
NL
NL6902844A
patent/NL6902844A/xx
unknown
1969-02-24
FR
FR6904653A
patent/FR2002544A1/fr
not_active
Withdrawn
1969-02-24
JP
JP44013253A
patent/JPS4811814B1/ja
active
Pending
Also Published As
Publication number
Publication date
NL6902844A
(en)
1969-08-26
DE1909171A1
(en)
1969-09-11
US3497487A
(en)
1970-02-24
BE728743A
(en)
1969-08-21
FR2002544A1
(en)
1969-10-17
JPS4811814B1
(en)
1973-04-16
DE1909171B2
(en)
1972-10-19
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(en)
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Fuel pump with pulsator
Legal Events
Date
Code
Title
Description
1971-09-22
PS
Patent sealed [section 19, patents act 1949]
1978-09-27
PCNP
Patent ceased through non-payment of renewal fee
