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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.:

US 8070975 B1

PDFFull Text
Date of Patent:
Dec. 06, 2011

Filed:

Feb. 10, 2009

Azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane (hcfc-244bb) and hydrogen fluoride (hf)

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:

Bruce Bradford

Primary Examiner:

Milton I Cano

Assistant Examiner:

Aaron Greso

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).

Find Patent Forward Citations

Quick Actions:

Pham, Hang. (2011). Azeotrope-like composition of 2-chloro-1,1,1,2-tetrafluoropropane (hcfc-244bb) and hydrogen fluoride (hf) (U.S. Patent No. 8070975). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8070975

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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