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:
Nov. 26, 1991
Filed:
Dec. 20, 1990
Applicant:
Inventor:
Kang I Lee, Longmeadow, MA (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; C08F / ;
U.S. Cl.
CPC ...
430270 ; 430192 ; 430176 ; 430197 ; 430905 ; 526320 ;
Abstract
Terpolymers of styrene, mono-iso-butyl maleate and mono-2-(n-butoxy)ethyl maleate wherein the ratio of styrene units to maleate units is in the range of about 1:1 to about 1.6:1 and the ratio of mono-iso-butyl maleate units to mono-2-(n-butoxy)ethyl maleate is in the range of about 3:2 to about 1:3. The terpolymers are useful as alkali soluble binders for photoresist compositions.
Lee, Kang. (1991). Styrene/maleates terpolymers (U.S. Patent No. 5068168). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5068168
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile