The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 06, 2001
Filed:
Nov. 10, 1994
Applicant:
Inventors:
Peter Kingsley Davies, Oldham, GB;
John David Schofield, Bury, GB;
John Michael McCarthy, Denton, GB;
Assignee:
Zeneca Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 4/700 ; C09B 4/704 ; C09B 4/712 ; C09B 4/716 ;
U.S. Cl.
CPC ...
C09B 4/700 ; C09B 4/704 ; C09B 4/712 ; C09B 4/716 ;
Abstract
A composition of copper phthalocyanines containing, on average, from 0.1 to 3 methyl groups per phthalocyanine nucleus. The composition is suitable for the coloration of paints and plastics materials.