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:
Apr. 06, 2021
Filed:
Mar. 27, 2018
Honeywell International Inc., Morris Plains, NJ (US);
Changqing Lu, Snyder, NY (US);
Andrew J. Poss, Kenmore, NY (US);
Rajiv R. Singh, Getzville, NY (US);
David Nalewajek, West Seneca, NY (US);
Cheryl Cantlon, Clarence Center, NY (US);
HONEYWELL INTERNATIONAL INC., Charlotte, NC (US);
Abstract
Disclosed are aqueous emulsion copolymerization processes for synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit. The copolymerization process is performed at temperatures of from about 55° C. to about 70° C. with at least one water soluble radical initiator, with preferred initiators including NaSO, KSO, (NH)SO, Fe(SO), KSO/FeSO, (NH)SO/FeO, and the like, as well as combinations thereof.