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. 10, 2025
Filed:
Mar. 27, 2019
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Andrew P. Singer, St. Paul, MN (US);
Thomas E. Pahl, Cottage Grove, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 59/04 (2006.01); B29C 59/02 (2006.01); B29K 623/00 (2006.01); B29L 7/00 (2006.01); C08J 5/18 (2006.01); C09J 7/24 (2018.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
B29C 59/04 (2013.01); C08J 5/18 (2013.01); C09J 7/243 (2018.01); C09J 7/38 (2018.01); B29C 2059/023 (2013.01); B29K 2623/12 (2013.01); B29K 2995/0053 (2013.01); B29L 2007/007 (2013.01); C09J 2301/16 (2020.08); C09J 2301/302 (2020.08); C09J 2423/106 (2013.01);
Abstract
A method for imparting hand-tearability to an organic polymeric film by impinging a multiplicity of ceramic microblades on a major surface of the organic polymeric film. The resulting microfractured organic polymeric film can be used as a hand-tearable tape backing for a hand-tearable adhesive tape.