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:
Sep. 15, 2020
Filed:
Dec. 07, 2017
Applicant:
Solutia Inc., St. Louis, MO (US);
Inventor:
Jun Lu, East Longmeadow, MA (US);
Assignee:
Solutia Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B32B 27/08 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); B32B 27/36 (2006.01); B32B 27/42 (2006.01); B32B 7/02 (2019.01);
U.S. Cl.
CPC ...
B32B 27/30 (2013.01); B32B 7/02 (2013.01); B32B 17/10577 (2013.01); B32B 17/10761 (2013.01); B32B 27/08 (2013.01); B32B 27/22 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); B32B 27/42 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/24 (2013.01); B32B 2270/00 (2013.01); B32B 2307/102 (2013.01); B32B 2307/40 (2013.01); B32B 2307/50 (2013.01); B32B 2307/536 (2013.01); B32B 2307/558 (2013.01); B32B 2307/56 (2013.01); B32B 2419/00 (2013.01); B32B 2457/12 (2013.01); B32B 2605/006 (2013.01);
Abstract
Multilayered interlayers comprising stiff skin or outer layers and a soft core layer(s) are disclosed. The multilayered interlayers comprise: a first polymer layer (skin layer) comprising plasticized poly(vinyl butyral) resin; a second polymer layer (core layer) comprising a blend of two (or more) plasticized poly(vinyl butyral) resins having different residual hydroxyl content; and optionally a third polymer layer (skin layer) comprising plasticized poly(vinyl butyral) resin.