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:
Sep. 22, 1992
Filed:
Jun. 13, 1990
Applicant:
Inventors:
Yasuyuki Murata, Yokkaichi, JP;
Isako Konishi, 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 / ; C08L / ; C08F / ;
U.S. Cl.
CPC ...
523466 ; 525481 ; 525486 ; 525485 ;
Abstract
An electrical encapsulation formulation is provided comprising a diglycidyl ether of a 4,4'-dihydroxybiphenyl, a trisphenolic curing agent, a cure accelerator and an inorganic filler. The composition cures rapidly and exhibits excellent resistance to cracking under high-temperature operation.