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:
Sep. 14, 1999
Filed:
Oct. 07, 1997
Applicant:
Inventors:
Raymond Senkus, Stillwater, MN (US);
Chung I Young, Roseville, MN (US);
Leonard W Barrett, St. Paul, MN (US);
Ying-Yuh Lu, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09J / ; G08L / ;
U.S. Cl.
CPC ...
524548 ; 524399 ; 524432 ; 524555 ; 524556 ;
Abstract
A pressure-sensitive adhesive polyacrylate polymer microparticulate obtainable by suspension polymerizing an aqueous mixture that comprises: (a) an acrylic acid ester of a nontertiary alcohol having 1 to 14 carbon atoms; (b) a polar monomer; (c) a styrene sulfonate salt; and (d) an amount of surfactant above the critical micelle concentration.