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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.:

US 5728469 B1

PDFFull Text
Date of Patent:
Mar. 17, 1998

Filed:

Jun. 06, 1995

Block copolymer release surface for pressure sensitive adhesives

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:

Christie, Parker & Hale, LLP

Primary Examiner:

Ralph H Dean

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.

Find Patent Forward Citations

Mann, Roger. (1998). Block copolymer release surface for pressure sensitive adhesives (U.S. Patent No. 5728469). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5728469

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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