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:
Oct. 02, 1984
Filed:
Sep. 14, 1982
Applicant:
Inventors:
Robert G Brault, Santa Monica, CA (US);
Leroy J Miller, Canoga Park, CA (US);
Assignee:
Hughes Aircraft Company, El Segundo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
430296 ; 20415914 ; 427 36 ; 427 44 ; 430269 ; 430281 ; 430966 ; 526265 ;
Abstract
Negative working resists, prepared from poly(vinylpyridine) polymers which exhibit good sensitivities to 20 keV electron beam radiation, are disclosed. The poly(vinylpyridine) polymers of this invention may contain alkyl substituents on the pyridine rings in ortho, meta or para positions with respect to the nitrogen atom within said ring.