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:
Feb. 23, 1999
Filed:
Aug. 26, 1997
Applicant:
Inventors:
Naoki Inui, Nara, JP;
Taketoshi Kikuchi, Osaka, JP;
Kanako Fukuda, Osaka, JP;
Takashi Sanada, Chiba, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C07F / ; C07F / ; C07F / ;
U.S. Cl.
CPC ...
504117 ; 524119 ; 524128 ; 524150 ; 524151 ; 524152 ; 558 78 ; 558 85 ; 558158 ; 558166 ; 558183 ; 25240021 ; 25240024 ;
Abstract
Phosphites which are useful as a deterioration inhibitor for organic material and are represented by the following formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.5 and R.sup.6 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkylcycloalkyl group, an aralkyl group or a phenyl group;