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:
May. 06, 2014
Filed:
Jun. 12, 2009
Applicants:
Kai Dudde, Weil am Rhein, DE;
Sabine Pierau, Freiburg, DE;
Martin Roth, CH-Hoelstein, CH;
Inventors:
Assignee:
Huntsman Advanced Materials Americas LLC, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the preparation of a photocurable resin by a reaction comprising the following steps i) reacting a mixture of a novolak type epoxy resin (A) and a dicyclopentadiene-phenol glycidylether resin (B) with ii) an advancement component (C) containing at least 2 phenolic hydroxyl groups per molecule; iii) reacting with an unsaturated monocarboxylic acid (D); and iv) esterification of the unsaturated group containing resin obtained from the steps of i) to iii) with a polycarboxylic acid anhydride or a carboxylic acid anhydride (E) is disclosed.