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:
Aug. 31, 1993
Filed:
Nov. 18, 1991
Applicant:
Inventors:
Willard E Conley, Cornwall, NY (US);
Ranee W Kwong, Wappingers Falls, NY (US);
Richard J Kvitek, Wappingers Falls, NY (US);
Robert N Lang, Pleasant Valley, NY (US);
Christopher F Lyons, La Grangeville, NY (US);
Steve S Miura, Poughkeepsie, NY (US);
Wayne M Moreau, Wappingers Falls, NY (US);
Harbans S Sachdev, Hopewell Junction, NY (US);
Robert L Wood, Poughkeepsie, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430273 ; 430162 ;
Abstract
A protective material for use as an overcoating film for acid catalyzed resist compositions comprising a polymeric film forming compound, the films of which are impermeable to vapors of organic and inorganic bases.