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:
Aug. 25, 1992
Filed:
Jun. 13, 1990
Applicant:
Inventors:
Isako Konishi, Yokkaichi, JP;
Yasuyuki Murata, Yokkaichi, JP;
Ryohei Tanaka, Yokkaichi, JP;
Yoshinori Nakanishi, Suzuka, JP;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08F / ;
U.S. Cl.
CPC ...
523466 ; 525481 ; 525485 ; 525486 ;
Abstract
A composition is disclosed which comprises the reaction product of a diglycidyl ether of a 4,4'-dihydroxybiphenyl and a polyhydric phenol having an average of 2.3 to 10 hydroxyl groups per molecule. The described epoxy resin is particularly useful in phenolic-cured electrical encapsulation formulations.