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. 02, 2011
Filed:
Jun. 28, 2007
Hiroyuki Kurimura, Shibukawa, JP;
Tomoyuki Kanai, Shibukawa, JP;
Kazuhiro Oshima, Shibukawa, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a method for temporarily fixing an optical member suitable for processing of optical members, and an adhesive composition useful for such a method. An adhesive composition comprising (A) a polyfunctional (meth)acrylate, (B) a monofunctional (meth)acrylate and (C) a photopolymerization initiator, wherein the glass transition temperature of a cured resin obtained from the adhesive composition is from −50° C. to 40° C. A method for temporary fixing a member, which comprises bonding and temporarily fixing the member by means of the above adhesive composition, processing the temporarily fixed member, and immersing the processed is member in warm water of at most 90° C., thereby to remove a cured resin of the adhesive composition from the member.