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. 27, 2012
Filed:
Dec. 05, 2008
Akihiko Shirahata, Chiba, JP;
Akihiko Shirahata, Chiba, JP;
Dow Corning Toray Co., Ltd., Tokyo, JP;
Abstract
Silsesquioxane resins useful in antireflective coatings wherein the silsesquioxane resin has the formula(PhSiO(OR'))(HSiO(OR′))(MeSiO(OR′))(RSiO(OR′))(RSiO(OR′))where Ph is a phenyl group, Me is a methyl group; R is selected from a sulfur-containing organic functional group; R′ is hydrogen atom or a hydrocarbon group having from 1 to 4 carbon atoms; Ris selected from ester groups, polyether groups; and polyethylene oxide groups; x has a value of 0, 1 or 2; m has a value of 0.01 to 0.97; n has a value of 0.01 to 0.97; o has a value of 0.01 to 0.97; p has a value of 0.01 to 0.97; q has a value of 0 to 0.96; and m+n+o+p+q≈1.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile