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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 10336906 B1

PDFFull Text
Date of Patent:
Jul. 02, 2019

Filed:

Mar. 16, 2015

Use of an ester additive and paving grade asphalt in built up roofing asphalt composition manufacture

Applicant:

Owens Corning Intellectual Capital, Llc, Toledo, OH (US);

Inventors:

Laurand H. Lewandowski, Newark, OH (US);

Robert Edwin Quinn, New Albany, OH (US);

Michael R. Franzen, Lombard, IL (US);

Assignee:

Owens Corning Intellectual Capital, LLC, Toledo, OH (US);

Attorney:

Calfee, Halter & Griswold LLP

Primary Examiner:

Alexandra M Moore

Int. Cl.
CPC ...
C08L 95/00 (2006.01); C08K 5/101 (2006.01); E04D 11/02 (2006.01); C10C 3/04 (2006.01); C11C 3/00 (2006.01); C09D 195/00 (2006.01); C09D 191/00 (2006.01); C08L 91/00 (2006.01); C08K 3/22 (2006.01); C08K 3/16 (2006.01); C08K 5/51 (2006.01); C08K 3/06 (2006.01);
U.S. Cl.
CPC ...
C08L 95/00 (2013.01); C08K 5/101 (2013.01); C10C 3/04 (2013.01); E04D 11/02 (2013.01); C08K 3/06 (2013.01); C08K 3/16 (2013.01); C08K 5/51 (2013.01); C08K 2003/2265 (2013.01); C08L 91/00 (2013.01); C08L 2555/64 (2013.01); C08L 2555/72 (2013.01); C09D 191/00 (2013.01); C09D 195/00 (2013.01); C11C 3/00 (2013.01);
Abstract

Thermally stable built-up roofing asphalt ('BURA') composition comprising a paving grade asphalt is disclosed. The paving grade asphalt has been over-blown to a first softening point and an additive is included in an amount to achieve a second softening point. The additive comprises at least at least one ester. The BURA composition is thermally stable at processing temperatures of at least 450° F.

Find Patent Forward Citations

Quick Actions:

Lewandowski, Laurand. (2019). Use of an ester additive and paving grade asphalt in built up roofing asphalt composition manufacture (U.S. Patent No. 10336906). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10336906

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