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:
Apr. 23, 2002
Filed:
Nov. 14, 2000
Applicant:
Inventor:
Fridolin Bäbler, Hockessin, DE (US);
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 6/748 ; C09B 5/700 ;
U.S. Cl.
CPC ...
C09B 6/748 ; C09B 5/700 ;
Abstract
An alpha-II form of a 1,4-diketo-3,6-di(4′-tertiary butyl phenyl)-2,5-dihydro pyrrolo[3,4-c]pyrrole pigment characterized by C.I.E color space values, particularly a high chroma value and yellow hue, in masstone, and a process for its preparation is disclosed. The 1,4-diketo-3,6-di(4′-tertiary butyl phenyl)-2,5-dihydro pyrrolo[3,4-c]pyrrole pigment is especially useful for coloring coating compositions, such as automotive paints, and plastics.
Bäbler, Fridolin. (2002). Diketo pyrrolo pyrrole pigment (U.S. Patent No. 6375734). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6375734
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile