Patent · US Expired

Composition for paper coating

US3970629A · kind A · utility

21Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1974
Grant dateJul 20, 1976
Priority date
Expiry dateDec 9, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31993
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A composition for paper coating which comprises a pigment and, as a pigment binder, a synthetic copolymer latex comprising about 24.5 to 50 parts by weight of at least one aliphatic conjugated diolefin, about 0.5 to 10 parts by weight of at least one ethylenically unsaturated carboxylic acid and about 40 to 75 parts by weight of at least one monoolefinic monomer copolymerizable with the aliphatic conjugated diolefin and the ethylenically unsaturated carboxylic acid, the synthetic copolymer having a gel content of not more than about 60 % by weight based on the weight of the synthetic copolymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.