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:
Apr. 30, 2024
Filed:
Aug. 07, 2020
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Sheng Zhong, Hillsborough, NC (US);
Marius Rutkevicius, Raleigh, NC (US);
Assignee:
ABB SCHWEIZ AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 9/00 (2006.01); C08J 9/18 (2006.01); C08K 3/04 (2006.01); C08K 5/00 (2006.01); C08K 7/24 (2006.01); C08K 9/06 (2006.01);
U.S. Cl.
CPC ...
C08K 9/06 (2013.01); C08J 9/18 (2013.01); C08K 3/04 (2013.01); C08K 5/0066 (2013.01); C08K 7/24 (2013.01); C08J 2201/022 (2013.01); C08J 2201/03 (2013.01); C08J 2327/06 (2013.01);
Abstract
An intumescent polymer is provided for molding fire-retardant structures. Expandable graphite is mixed in a polymer matrix to form the intumescent polymer. The expandable graphite is treated with silane to improve the strength of the polymer. Other ingredients may also be included within the polymer, including an acid source, blowing agent, char forming agent, an inorganic filler and a cross-linking agent.