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.:

US 8415425 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 09, 2013

Filed:

Mar. 30, 2012
Applicants:

Tomoyuki Kanai, Shibukawa, JP;

Kazuhiro Oshima, Shibukawa, JP;

Inventors:

Tomoyuki Kanai, Shibukawa, JP;

Kazuhiro Oshima, Shibukawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 31/00 (2006.01); C08F 290/06 (2006.01); C08F 279/02 (2006.01); C08F 265/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a method for protecting the surface of a member to be processed, which comprises providing a protective film made of a photocurable resin composition for surface protection on the surface of the member to be processed, processing the member to be processed, and removing the protective film from the member to be processed, wherein the photocurable resin composition comprises (A) a polyfunctional (meth)acrylate, (B) a monofunctional (meth)acrylate, (C) a resin having a cyclopentadiene skeleton and (D) a photopolymerization initiator, which comprises from 1 to 50 parts by weight of (A), from 5 to 95 by mass of (B) and from 0.1 to 50 parts by mass of (C).


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