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:
Nov. 02, 2009
Filed:
Aug. 06, 2000
Jeffrey Kramer, Schnecksville, PA (US);
Jeffrey Kramer, Schnecksville, PA (US);
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
A composition comprising a polyisocyanate, a polyol, a hydrofluorocarbon blowing agent, optionally water, a surfactant, and at least one catalyst for the reaction of the polyisocyanate with the polyol and/or the reaction of the polyisocyanate with water, the catalyst being selected from the group consisting of triethylenediamine; N-2-hydroxy-propyltriethylenediamine ammonium salt; N-cetyl-N,N-dimethylamine; N,N-diethylethanamine; N,N-dimethylaminoethylmorpholine; bis(3-dimethylaminopropyl)-N,N-dimethylpropanediamine; N-cyclohexyl-N-methylcyclohexylamine; 1,3,5-tris(3-(dimethylamino)propyl)hexahydro-s-triazine; bis(dimethylaminopropyl)methylamine; dibutyltin dilaurylmercaptide; dibutyltin diisooctylmaleate; dibutyltin bis(2-ethylhexylmercaptoacetate); stannous octoate, 1,2-dimethylimidizole, bis-(dimethylaminoethyl)ether; bis(3-dimethylaminopropyl)-N,N-dimethylpropanediamine and bis(N,N-dimethylaminoethyl)-ether and resulting in a decreased amount of decomposition of the hydrofluorocarbon blowing agent to fluoroalkene.