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. 14, 1989
Filed:
Dec. 22, 1986
Applicant:
Inventors:
Assignee:
Adeka Argus Chemical Co., Ltd., Urawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 91 ; 524 83 ; 524 84 ; 524 99 ; 524100 ; 524102 ; 524111 ; 524118 ; 524119 ; 524120 ; 524141 ; 524148 ; 524151 ; 524153 ; 524157 ; 524171 ; 524316 ; 524321 ; 524324 ; 524326 ; 524330 ; 524334 ; 524335 ; 524336 ; 524337 ; 524338 ;
Abstract
Polycarbonate resin compositions are provided having improved light stability and comprising an alkylidene bis(benzotriazolyl phenol)having the formula: ##STR1## wherein: R.sub.1 is selected from the group consisting of hydrogen and alkyl having from one to about eleven carbon atoms;
Nakahara, Yutaka. (1989). Polycarbonate resin compositions having improved resistance to (U.S. Patent No. 4812498). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4812498
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile