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:
Dec. 13, 1994
Filed:
Jun. 29, 1993
Warren A Kaplan, Lake Jackson, TX (US);
Douglas R Moore, Clute, TX (US);
Ricky L Tabor, Lake Jackson, TX (US);
Alan K Schrock, Lake Jackson, TX (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
Polyurethane foams can be prepared which have improved retention of insulative properties. The foams are prepared from formulations including a glycerine initiated ethoxylated polyol prepared from a formulation including from about two to about three moles of ethylene oxide per mole of glycerine initiator and/or a tri- to octa-functional substantially linear hydroxy alkane initiated ethylene carbonate ethoxylated polyol prepared from a formulation including from about 2 to about 15 moles of ethylene carbonate per mole of initiator wherein the ratio of moles of ethylene carbonate to initiator functionality is from 0.5 to less than 2.