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:
Mar. 17, 1998
Filed:
May. 01, 1996
Applicant:
Inventors:
Rajiv Ratna Singh, Getzville, NY (US);
Ian Robert Shankland, Williamsville, NY (US);
Roy Phillip Robinson, Cheektowaga, NY (US);
Hang Thanh Pham, Amherst, NY (US);
Raymond Hilton Thomas, Pendleton, NY (US);
Peter Brian Logsdon, N. Tonawanda, NY (US);
Assignee:
AlliedSignal Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C11D / ; C08J / ;
U.S. Cl.
CPC ...
252 67 ; 252 69 ; 510177 ; 510410 ; 510411 ; 62114 ; 623241 ; 521910 ; 521131 ; 521 98 ; 264 53 ; 264D / ;
Abstract
Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane, and hexafluoroethane are provided. The compositions of the invention are environmentally desirable for use as refrigerants, aerosol propellants, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.