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:
Mar. 17, 1998
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Roger H Mann, Corona Del Mar, CA (US);
Edward I Sun, Arcadia, CA (US);
Sebastian S Plamthottam, Upland, CA (US);
Charles W Newing, Troy, OH (US);
Assignee:
Avery Dennison Corporation, Pasadena, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428418 ; 428413 ; 428 414 ; 428352 ; 428447 ; 428500 ; 428516 ; 428448 ; 525 / ; 525105 ; 525106 ;
Abstract
Release surfaces comprising extruded polymer-siloxane block copolymer mixtures are provided. At least one block of the copolymer is a polymer compatible with the bulk polymeric material, while a second block is polysiloxane. Coextruded release surfaces comprising two or more polymeric layers, including one layer of a polymer-siloxane block copolymer mixture, are provided. The release surfaces serve as release liners for pressure sensitive adhesive labels and tapes.