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. 26, 1985
Filed:
Oct. 14, 1983
Applicant:
Inventor:
W Raymond Bowditch, West Chester, PA (US);
Assignee:
Wilmington Chemical Corporation, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528104 ; 525507 ;
Abstract
A difunctional epoxide is provided which is represented by the structural formula: ##STR1## wherein Ar is an aromatic residue, a is 1 to 2, b is at least 2 and most preferably 2, and x is --CH.sub.3, --H, or --CH.sub.2 --CH.sub.3, and most preferably x is --CH.sub.3. In addition, an epoxy resin is provided which is comprised of the reaction product of the above diepoxide and a polyfunctional phenolic hydroxy compound represented by the structural formula: ##STR2## wherein Ar is an aromatic residue and m is at least and preferably 2. The resultant reaction product is at least difunctional in epoxide groups.