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:
Jul. 06, 1999
Filed:
Sep. 30, 1997
Applicant:
Inventors:
Jim Meador, Ballwin, MO (US);
Douglas J Guerrero, Rolla, MO (US);
Xie Shao, Rolla, MO (US);
Vandana Krishnamurthy, Rolla, MO (US);
Assignee:
Brewer Science, Inc., Rolla, MO (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; C08K / ; C08F / ;
U.S. Cl.
CPC ...
4302711 ; 4302701 ; 430512 ; 523436 ; 525523 ; 525533 ;
Abstract
Anti-reflective coating compositions having improved etch rate, inter alia, are prepared from certain high molecular weight polymers and copolymers, particularly glycidyl methacrylate with grafted dyes.