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:
Sep. 02, 2014
Filed:
Jul. 13, 2012
Applicants:
Ashok T. Reddy, Louisville, KY (US);
Joseph E. Wentworth, Memphis, IN (US);
Inventors:
Ashok T. Reddy, Louisville, KY (US);
Joseph E. Wentworth, Memphis, IN (US);
Assignee:
Momentive Specialty Chemicals Inc., Columbus, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/023 (2006.01); C08G 8/24 (2006.01); C08G 63/00 (2006.01); C08G 8/04 (2006.01);
U.S. Cl.
CPC ...
C08G 63/00 (2013.01); C08G 8/04 (2013.01); G03F 7/0236 (2013.01); C08G 8/24 (2013.01);
Abstract
Polymeric materials, methods for making the polymeric materials, and photoresist formulations utilizing the polymeric materials are disclosed. In one aspect, a polymeric material is provided including a condensation product of a reaction mixture comprising an aldehyde with a phenolic monomer composition comprising m-cresol, p-cresol, 3,5-dimethyl phenol, and 2,5-dimethyl phenol. The polymeric material may be further contacted with a photoactive compound and a solvent to form a photoresist formulation.