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:
Jul. 21, 2015
Filed:
Feb. 03, 2012
Mark L Robin, Middletown, DE (US);
Mark L Robin, Middletown, DE (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of (A) a compound of the formula CFCX═CHRwhere X is H or F and Ris CFCF, CFor Cl, provided that (i) when X is F, Ris Cl, (ii) when Ris CFCFor Cl, the compound of formula CFCX═CHRis the E configurational isomer, and (iii) when Ris CF, the compound of formula CFCX═CHRis the Z configurational isomer; and (B) a compound of the formula CFRwhere Ris CHFCHF or CH═CHCF, provided that when Ris CH═CHCF, X is F and the compound of formula CFRis the Z configurational isomer. Also disclosed are processes for using such azeotropic or azeotrope-like compositions for preparing a thermoplastic or thermoset foam, for producing refrigeration, for producing an aerosol product and for extinguishing and suppressing a fire; and as blowing agents, solvents, heat transfer media and dielectrics.