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. 23, 2017
Filed:
Jul. 31, 2013
Mitsui Chemicals, Inc., Minato-ku, JP;
Masahiro Kondou, Iwakuni, JP;
Takamasa Tsumoto, Iwakuni, JP;
MITSUI CHEMICALS INC., Tokyo, JP;
Abstract
The purpose of the present invention is to provide a pellicle which has, on the inner surface of the pellicle frame, a pressure-sensitive adhesive layer that has holding performance capable of satisfactorily adhering suspended substances including dust thereto and that has excellent resistance to short-wavelength light. This pellicle comprises a pellicle frame, a pellicle film stretched over the pellicle frame, and a pressure-sensitive adhesive layer disposed inside the pellicle frame, wherein the pressure-sensitive adhesive layer comprises a copolymer having structural units represented by formula (1) and structural units represented by formula (2), the amount of the copolymer being 60 mass % or more of the pressure-sensitive adhesive layer.—CHCF—  (1)—CFCF(CF)—  (2)
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile