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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 11559957 B1

PDFFull Text
Date of Patent:
Jan. 24, 2023

Filed:

Jan. 24, 2020

Reactivation of co-cured film layers

Applicant:

The Boeing Company, Chicago, IL (US);

Inventors:

Mark R. Brei, Ladson, SC (US);

Kevin D. Gordon, Summerville, SC (US);

Christopher Garnier, Ladson, SC (US);

Assignee:

THE BOEING COMPANY, Chicago, IL (US);

Attorney:

MH2 Technology Law Group LLP

Primary Examiner:

Michael N Orlando

Assistant Examiner:

Joshel Rivera

Int. Cl.
CPC ...
B32B 41/00 (2006.01); B29C 70/54 (2006.01); B32B 27/34 (2006.01); B32B 37/15 (2006.01); B32B 38/00 (2006.01); B64C 1/00 (2006.01); B32B 37/12 (2006.01); C08J 7/02 (2006.01); C08J 7/12 (2006.01); B05D 3/10 (2006.01); B05D 5/00 (2006.01); B29L 31/30 (2006.01); B29C 65/00 (2006.01); B32B 37/24 (2006.01); B32B 38/16 (2006.01); C08J 7/04 (2020.01); B05D 7/00 (2006.01);
U.S. Cl.
CPC ...
B29C 70/54 (2013.01); B05D 3/101 (2013.01); B05D 5/005 (2013.01); B32B 27/34 (2013.01); B32B 37/12 (2013.01); B32B 37/15 (2013.01); B32B 38/145 (2013.01); B64C 1/00 (2013.01); C08J 7/02 (2013.01); C08J 7/12 (2013.01); B05D 7/572 (2013.01); B29C 66/028 (2013.01); B29L 2031/3076 (2013.01); B32B 2037/1253 (2013.01); B32B 2037/243 (2013.01); B32B 2038/168 (2013.01); B32B 2305/77 (2013.01); B32B 2309/02 (2013.01); B32B 2375/00 (2013.01); C08J 7/042 (2013.01); C08J 2375/04 (2013.01); C08J 2475/04 (2013.01);
Abstract

The present disclosure is directed to a method for reactivating a co-cured film layer disposed on a composite structure, the method comprising applying a reactivation treatment composition comprising at least two solvents and a surface exchange agent comprising a metal alkoxide or chelate thereof to the co-cured film layer, and allowing the reactivation treatment composition to create a reactivated co-cured film layer, wherein the co-cured film layer was previously cured at a curing temperature greater than about 50° C. A reactivated co-cured film layer and an aircraft part having a reactivated co-cured film layer are also provided.

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