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. 12, 1997
Filed:
Nov. 02, 1994
Applicant:
Inventors:
Prakash Mallya, Pasadena, CA (US);
Colin C Smith, State College, PA (US);
Assignee:
Avery Dennison Corporation, Pasadena, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C09J / ; C09J / ;
U.S. Cl.
CPC ...
526233 ; 5263285 ; 5263184 ;
Abstract
Inherently tacky infusible pressure-sensitive adhesive microspheres prepared by suspension polymerization of at least one water insoluble alkyl acrylate ester, the improvement which comprises conducting the polymerization in the presence of a buffer provided in an amount sufficient to maintain pH between 6 to 9.5 and in the presence of a surfactant to stabilize the product.