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. 06, 2011
Filed:
Feb. 10, 2009
Applicants:
Hang T. Pham, Amherst, NY (US);
Rajiv R. Singh, Getzville, NY (US);
Hsuehsung Tung, Getzville, NY (US);
Konstantin A. Pokrovski, Orchard Park, NY (US);
Daniel C. Merkel, West Seneca, NY (US);
Inventors:
Hang T. Pham, Amherst, NY (US);
Rajiv R. Singh, Getzville, NY (US);
HsuehSung Tung, Getzville, NY (US);
Konstantin A. Pokrovski, Orchard Park, NY (US);
Daniel C. Merkel, West Seneca, NY (US);
Assignee:
Honeywell International Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 5/00 (2006.01); C09K 5/04 (2006.01); C11D 17/00 (2006.01); C03C 15/00 (2006.01); C03C 25/68 (2006.01); H01L 21/302 (2006.01); H01L 21/461 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are azeotropic and azeotrope-like compositions of 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and hydrogen fluoride (HF). Such azeotropic and azeotrope-like compositions are useful as intermediates in the production of 2,3,3,3-tetrafluoropropene (HFO-1234yf).