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. 15, 2006
Filed:
Dec. 03, 2004
Kuo-tung Huang, Jhudong, TW;
Shi-deh Chao, Jhonghe, TW;
I-jein Cheng, Changhua, TW;
Mon-haw Chang, Bali, TW;
Kuo-Tung Huang, Jhudong, TW;
Shi-Deh Chao, Jhonghe, TW;
I-Jein Cheng, Changhua, TW;
Mon-Haw Chang, Bali, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An alkali-soluble resin having a polyaromatic group and a photosensitive composition comprising the alkali-soluble resin. The alkali-soluble resin comprises the following recurring units: wherein each of R, R, and R, independently, is H or CH; Ris a substituted or unsubstituted polyaromatic derivative containing carbon and optionally containing one or more heteroatoms of oxygen, nitrogen and sulfur; X is alkyl, benzyl, or hydroxyl; each of nand n, independently, is an integer of 0–8; and a, b, and c are integers when a and c respectively are not zero.