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.

Date of Patent:
Jul. 23, 2024

Filed:

Jan. 12, 2023
Applicant:

Holcim Technology Ltd, Zug, CH;

Inventors:

Hao Wang, Carmel, IN (US);

Donna Tippmann, Fishers, IN (US);

Michael J. Hubbard, Goshen, IN (US);

Todd Taykowski, Noblesville, IN (US);

Timothy McQuillen, Westfield, IN (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E04D 5/10 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01);
U.S. Cl.
CPC ...
E04D 5/10 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 2260/046 (2013.01); B32B 2264/102 (2013.01); B32B 2264/104 (2013.01); B32B 2264/12 (2013.01); B32B 2419/06 (2013.01); C08K 2003/2224 (2013.01); C08K 2003/265 (2013.01); Y10T 428/258 (2015.01);
Abstract

A multi-layered thermoplastic roofing membrane comprising a planar body including at least three layers, said at least three layers including (i) a top layer that includes magnesium hydroxide dispersed within a thermoplastic resin, (ii) an upper middle layer disposed below said top layer and including magnesium hydroxide and calcium carbonate dispersed within a thermoplastic resin, and (iii) a lower layer disposed below said upper middle layer and including magnesium hydroxide and calcium carbonate dispersed within a thermoplastic resin.


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