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:
Mar. 22, 2005
Filed:
Dec. 10, 2002
Takeshi Yamanaka, Ibaraki, JP;
Shinetsu Itou, Ibaraki, JP;
Kenichi Shibata, Ibaraki, JP;
Takeshi Suto, Ibaraki, JP;
Isamu Miyoshi, Ibaraki, JP;
Takeshi Yamanaka, Ibaraki, JP;
Shinetsu Itou, Ibaraki, JP;
Kenichi Shibata, Ibaraki, JP;
Takeshi Suto, Ibaraki, JP;
Isamu Miyoshi, Ibaraki, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
A removable pressure-sensitive adhesive which, even when applied to metal sheets or to metallic members which have undergone a coating treatment, is inhibited from increasing in adhesive force with the lapse of time and can be easily removed therefrom and which has satisfactory weatherability and satisfactory pot life contains 100 parts by weight on a solid basis of an aqueous dispersion type acrylic copolymer obtained by polymerizing a monomer mixture in an aqueous medium in the presence of a nonionic surfactant and/or an anionic surfactant each having an ethylenic double bond and 0.1 to 3 parts by weight of a hindered-amine light stabilizer having a piperidine ring in which the nitrogen atom has a tertiary amine structure; and an adhesive sheet is produced with the adhesive.