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:
Oct. 02, 1984
Filed:
May. 20, 1983
Applicant:
Inventor:
John A Lopez, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 93 ; 528 94 ; 528408 ;
Abstract
The present invention is directed to storage-stable precatalyzed polyepoxides containing a catalytic amount of an ammonium salt and to a process for preparing higher molecular weight polyepoxides by reacting the precatalyzed polyepoxide with a polyhydric phenol or polymeric fatty acid.