GB1226400A - - Google Patents

Info

Publication number
GB1226400A
GB1226400A GB1226400DA GB1226400A GB 1226400 A GB1226400 A GB 1226400A GB 1226400D A GB1226400D A GB 1226400DA GB 1226400 A GB1226400 A GB 1226400A
Authority
GB
United Kingdom
Prior art keywords
solution
pvac
powder
polyvinyl
pva
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
Other languages
English (en)
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 filed Critical
Publication of GB1226400A publication Critical patent/GB1226400A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/124Treatment for improving the free-flowing characteristics
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/20Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08J2361/22Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08J2361/24Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB1226400D 1967-10-04 1968-10-03 Expired GB1226400A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6392767 1967-10-04

Publications (1)

Publication Number Publication Date
GB1226400A true GB1226400A (https=) 1971-03-24

Family

ID=13243448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226400D Expired GB1226400A (https=) 1967-10-04 1968-10-03

Country Status (3)

Country Link
US (1) US3554947A (https=)
CH (1) CH487961A (https=)
GB (1) GB1226400A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9217046B1 (en) 2014-07-24 2015-12-22 Hexion Inc. Methods for preparing stable urea formaldehyde polyvinyl alcohol colloids

Also Published As

Publication number Publication date
CH487961A (fr) 1970-03-31
US3554947A (en) 1971-01-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee