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. 26, 2002
Filed:
Jun. 28, 2000
Applicant:
Inventors:
Assignee:
Vantico Inc., Brewster, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 5/914 ; C08K 3/22 ; C08L 6/302 ; C08L 6/304 ; C08L 6/702 ;
U.S. Cl.
CPC ...
C08G 5/914 ; C08K 3/22 ; C08L 6/302 ; C08L 6/304 ; C08L 6/702 ;
Abstract
An epoxy resin mixture is prepared by a) the reaction of (i) a diglycidyl compound, (ii) a bisphenol compound and (iii) at least one monophenol at temperatures of from 160 to 170° C. in the presence of an advancement catalyst that can be thermally deactivated, (b) upon completion of the reaction, the catalyst is deactivated by heating to a temperature of approximately 180° C. wherein (A1) one or more epoxy resins having an epoxy functionality of greater than two is added, and c) the resulting epoxy resin mixture is homogenized at that temperature.