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. 13, 1986
Filed:
Feb. 28, 1985
Applicant:
Inventors:
Michael Kelly, Coventry, RI (US);
Donald C Mammato, Lebanon, NJ (US);
Dana Durham, Bloomsbury, NJ (US);
Sangya Jain, Hillsborough, NJ (US);
Lawrence Crane, Tustin, CA (US);
Assignee:
American Hoechst Corporation, Somerville, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430165 ; 430166 ; 430192 ; 430193 ; 430326 ; 534556 ; 534561 ;
Abstract
A light sensitive composition for the preparation of a positive acting photoresist which is a mixture of an alkali soluble resin and a compound of the formula ##STR1## wherein X is a naphthoquinone-(1,2)-diazide-(2)-sulfonyl residue.