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:
Feb. 02, 1999
Filed:
Mar. 07, 1997
Applicant:
Inventors:
Joseph E Oberlander, Phillipsburg, NJ (US);
Dana L Durham, Flemington, NJ (US);
Dinesh N Khanna, Flemington, NJ (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C08G / ;
U.S. Cl.
CPC ...
430168 ; 430169 ; 430189 ; 430190 ; 528 99 ; 534558 ; 534561 ; 546156 ; 546159 ; 546171 ; 546177 ;
Abstract
The present invention relates to novel photosensitive quinolone compounds, specifically novel 3-diazo 2,4-quinolinedione compounds, that may be used in a variety of applications, such as, photosensitive coating compositions, pharmaceuticals, agricultural, amongst others. The invention further relates to a process for making the novel photosensitive 3-diazo 2,4-quinolinedione compounds. These compounds are particularity useful as a photoactive component in a positive working photoresist composition, particularity for use as a deep ultraviolet (UV) photoresist.