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Compositions Containing Fluorine Substituted Olefins

Patent No. EP2277977 (titled "Compositions Containing Fluorine Substituted Olefins") was filed by Honeywell on Apr 29, 2005. The application was issued on Sep 19, 2018.

Patent Summary

Refrigerant compositions for automotive air conditioning systems comprising at least 50% by weight of a compound of Formula II, specifically HFO-1234ze, which exhibits improved lubricant compatibility, non-flammability, and environmental sustainability compared to traditional refrigerants. The compositions enable efficient operation in conventional vapor compression systems without major engineering changes, while providing enhanced performance and safety characteristics.

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Patent Family

Patent Oppositions (5)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
MEXICHEM FLUOR DE CVJun 19, 2019POTTER CLARKSON
ARKEMA FRANCEMar 26, 2019BANDPAY & GREUTER
SINO RESOURCE IMP & EXPFeb 14, 2019COHAUSZ & FLORACK
ZHEJIANG HUANXIN FLUORO MATERIALFeb 6, 2019DOMPATENT VON KREISLER SELTING WERNER
ZHEJIANG HUANXIN FLUORO MATERIALFeb 6, 2019DOMPATENT VON PATENT UND RECHTSANWALTEN

Dossier Documents

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EP2277977

SEP
HONEYWELL
Application Number
EP10011593A
Filing Date
Apr 29, 2005
Status
Revoked
Aug 28, 2020
Publication Date
Sep 19, 2018
External Links
Slate, Register , Google Patents