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:
Apr. 18, 1995
Filed:
May. 07, 1993
Richard M Bymark, Austin, TX (US);
Allen L Griggs, St. Paul, MN (US);
James S McHattie, Austin, TX (US);
Taun L McKenzie, St. Pual, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
An advanced thermosetting epoxy powder composition comprising from about 95 epoxide equivalent percent to about 99 epoxide equivalent percent of a diglycidyl ether of an aromatic bisphenol, from about 1 to about 5 epoxide equivalent percent of at least one trifunctional polyglycidyl ether of an aliphatic polyol, a curing agent selected from the group consisting of dihydric bisphenol such as bisphenol-A and mixtures of bisphenol-A and bisphenol A endcapped diglycidyl ether of bisphenol A, and a curing accelerator selected from the group consisting of imidazoles and imidazole adducts with polyglycidyl ether of aliphatic polyol.