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. 17, 2003
Filed:
Jul. 26, 2001
Applicant:
Inventor:
Robert D. Waid, Oakdale, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/704 ; B32B 2/712 ; B32B 2/738 ; C08L 6/302 ;
U.S. Cl.
CPC ...
B32B 2/704 ; B32B 2/712 ; B32B 2/738 ; C08L 6/302 ;
Abstract
An article comprises a substrate wherein at least a portion of its surface is provided with a thermosettable adhesive composition prepared from a polyepoxide resin, a curing agent and a plurality of microspheres. The cured composition forms a semi-structural bond with said substrate which is inseparable at the use temperature and is cleanly removable from said substrate when heated to a temperature of greater than the use temperature.