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:
May. 14, 2002
Filed:
Oct. 29, 1999
Ranjit Malik, York, PA (US);
Julie Clonan, Steelton, PA (US);
Adhesives Research, Inc., Glen Rock, PA (US);
Abstract
A pressure sensitive adhesive tape is provided having a silicone-free release layer, said tape comprising (1) at least one backing layer; (2) at least one pressure sensitive adhesive layer, and (3) at least one silicone-free release layer, said release layer comprising a crosslinked poly(alkylene oxide), said poly(alkylene oxide) being defined by the formula X —(O—R) —OX where X and X are terminal groups at least one of which permits crosslinking of said poly(alkylene oxide), n ranges from 1 to 200,000, R is a straight or branched alkylene group having the formula (CR R ) where m is an integer from 1 to 10 and R and R may independently be hydrogen and C alkyl.