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:
May. 24, 2022
Filed:
Jun. 08, 2018
Applicant:
Tyco Fire Products Lp, Lansdale, PA (US);
Inventor:
Mark Adam-Christopher Siem, Menominee, MI (US);
Assignee:
Tyco Fire Products LP, Lansdale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D 1/02 (2006.01);
U.S. Cl.
CPC ...
A62D 1/0071 (2013.01); A62D 1/0085 (2013.01);
Abstract
It has been discovered that low molecular weight poly(ethyleneglycol) (PEG) can be used in place of diethylene glycol monobutyl ether (DGME) in fire foam concentrates without compromising the desirable properties provided by DGME. Surprisingly it has been found that lower molecular weight PEG with a weight average molecular weight Mw of 400 or less provides comparable performance to DGME with considerably lower toxicity. Use of this PEG permits preparation of fire foam concentrates that exclude DGME completely and that are less toxic than conventional DGME-containing concentrates.