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:
Nov. 19, 2002
Filed:
Nov. 30, 2000
Applicant:
Inventors:
Kevin P. Flynn, Novato, CA (US);
Mikhail Boiarski, Allentown, PA (US);
Tamirisa V. V. R. Apparao, Fremont, CA (US);
Oleg Podtcherniaev, Novato, CA (US);
Vladimir Mogorichny, Moscow Region, RU;
Assignee:
Intermagnetics General Corporation-Polycold Systems, Inc., San Rafael, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 1/10 ;
U.S. Cl.
CPC ...
F25B 1/10 ;
Abstract
Refrigerants containing R-22 are replaced with new blends by using R-125, or R-125 with R-124, or R-218, or R-218 with R-124, in place of R-22. No hardware or oil composition changes are required to maintain temperatures, pressures and capacity substantially unchanged in a refrigeration system.
Flynn, Kevin. (2002). Refrigerant blend free of r-22 for use in ultralow temperature refrigeration (U.S. Patent No. 6481223). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6481223
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile