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:
Nov. 30, 1993
Filed:
Dec. 18, 1990
Applicant:
Inventors:
Joaquin Delgado, Ramsey, MN (US);
Spencer F Silver, Ramsey, MN (US);
Margaret M Sheridan, Ramsey, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C09J / ;
U.S. Cl.
CPC ...
428355 ; 525193 ; 525223 ; 525226 ; 525903 ;
Abstract
A pressure-sensitive adhesive comprising an acrylate matrix, and swellable, infusible, insoluble, elastomeric acrylate microspheres, each of the microspheres having discrete boundaries, the microspheres and the matrix forming an interpenetrating polymer network within the boundaries of the microspheres.