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:
Feb. 25, 2003
Filed:
Dec. 20, 1999
Applicant:
Inventors:
Shiaonung J. Su, Cerritos, CA (US);
James P. Akeley, Mill Hall, PA (US);
Assignee:
Avery Dennison Corporation, Pasadena, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 3/904 ;
U.S. Cl.
CPC ...
C08L 3/904 ;
Abstract
A dissolvable pressure-sensitive adhesive is provided. The adhesive comprises an emulsion acrylic copolymer formed from a plurality of monomers comprising an alkyl (meth)acrylate, an N-vinyl lactam monomer, and at least one hydroxy (meth)acrylate ester, and preferably at least one modifying monomer. The copolymer is preferably blended with one or more post-additive to enhance its dissolvability. Preferably the copolymer has a weight average molecular weight less than about 120,000.