Patent · US Expired

Correction fluid compositions

US5256191A · kind A · utility

31Cited by

13References

58Claims

0Family size

Inventors

John A. Thompson · Berkeley, US
Kim H. Ng · Franklin, US
Edward J. Ferguson · Avon, US

Key dates

Filing date	Oct 1, 1991
Grant date	Oct 26, 1993
Priority date	—
Expiry date	Oct 1, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D10/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Substantially non-toxic correction fluid compositions including an opacifying pigment dispersed in a solution of a solvent, a siloxane and a film-forming polymeric material.

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