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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 10035892 B1

PDFFull Text
Date of Patent:
Jul. 31, 2018

Filed:

Aug. 22, 2016

Flame-retardant expandable polymers

Applicant:

Sunpor Kunststoff Gesellschaft M.b.h., St. Poelten, AT;

Inventors:

Roman Eberstaller, Obergrafendorf, AT;

Gerhard Hintermeier, St. Poelten, AT;

Assignee:

SUNPOR KUNSTSTOFF GESELLSCHAFT M.B.H., St. Poelten, AT;

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Kara B Boyle

Int. Cl.
CPC ...
C08J 9/04 (2006.01); C08J 9/00 (2006.01); C07C 279/02 (2006.01); C07F 9/38 (2006.01); C07F 9/6571 (2006.01); C08J 9/14 (2006.01); C08J 9/18 (2006.01); C08J 9/224 (2006.01); C08J 9/232 (2006.01); C09K 21/12 (2006.01);
U.S. Cl.
CPC ...
C08J 9/0038 (2013.01); C07C 279/02 (2013.01); C07F 9/3834 (2013.01); C07F 9/65719 (2013.01); C07F 9/657181 (2013.01); C08J 9/0028 (2013.01); C08J 9/0033 (2013.01); C08J 9/0066 (2013.01); C08J 9/141 (2013.01); C08J 9/18 (2013.01); C08J 9/224 (2013.01); C08J 9/232 (2013.01); C09K 21/12 (2013.01); C08J 2201/03 (2013.01); C08J 2201/038 (2013.01); C08J 2203/14 (2013.01); C08J 2205/052 (2013.01); C08J 2205/10 (2013.01); C08J 2301/10 (2013.01); C08J 2325/04 (2013.01); C08J 2325/06 (2013.01); C08J 2355/02 (2013.01); C08J 2467/00 (2013.01); C08J 2481/04 (2013.01);
Abstract

The present relates to flame-retardant expandable polymers and to polymer foams and to the use thereof. These flame-retardant expandable polymers and polymer foams can be contained in one or several pressurized containers. According to the present, at least one of the following phosphorus compounds is used as a flame retardant: phosphorus compound according to formula (Ia): (Ia) 10-hydroxy-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-OH); or the salts thereof according to formula (Ib): (Ib) (DOPO-OR); or the ring-opened hydrolysates thereof according to formula (Ic): (Ic).

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