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:
Jun. 03, 1997
Filed:
Oct. 13, 1994
Applicant:
Inventors:
Steven L Kangas, Woodbury, MN (US);
Charles W Graves, Lake Elmo, MN (US);
Ramesh C Kumar, Maplewood, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430260 ; 430143 ; 430257 ; 430262 ; 430263 ; 428449 ; 428 407 ;
Abstract
Blocking is substantially reduced between individual sheets having a thermal adhesive coated thereon by including a release agent with the thermal adhesive. Preferred release agents are materials which have previously been used as low-adhesion backsize (LAB) coatings in pressure-sensitive adhesive applications.