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:
Jan. 04, 2022
Filed:
Jul. 31, 2020
Applicant:
Covestro Llc, Pittsburgh, PA (US);
Inventor:
James L. Lambach, McMurray, PA (US);
Assignee:
Covestro LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C 1/00 (2006.01); E04B 1/76 (2006.01);
U.S. Cl.
CPC ...
E04B 1/7654 (2013.01); E04B 1/762 (2013.01);
Abstract
Foam wall structures and methods for making foam wall structures. The wall structures include a frame, a foam panel overlying a front surface of the frame, a first foam layer disposed in a cavity defined by the frame and the foam panel, in which the first foam layer self-adheres to one or more members of the frame, and a second foam layer disposed in the cavity. The second foam layer self-adheres to the first foam layer and has a density that is less than the density of the first foam layer.