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Compositions Comprising A Fluoroolefin - EP2749623

The patent EP2749623 was granted to E I DU Pont DE Nemours on Feb 21, 2024. The application was originally filed on Mar 3, 2006 under application number EP14161825A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2749623

E I DU PONT DE NEMOURS
Application Number
EP14161825A
Filing Date
Mar 3, 2006
Status
Patent Maintained As Amended
Jan 19, 2024
Grant Date
Feb 21, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (3)

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.

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ARKEMA FRANCEOct 15, 2019ARKEMAADMISSIBLE
ARKEMA FRANCEOct 15, 2019ARKEMA PATENTADMISSIBLE
MEXICHEM FLUOR DE CVOct 14, 2019POTTER CLARKSONADMISSIBLE

Patent Citations (18) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS20040910495
DESCRIPTIONUS20050062044
DESCRIPTIONUS5759430
DESCRIPTIONUSRE36951E
OPPOSITIONEP1985680
OPPOSITIONEP2308942
OPPOSITIONJPH04110388
OPPOSITIONUS2004256594
OPPOSITIONUS5722256
OPPOSITIONUS7345209
OPPOSITIONWO2005103192
OPPOSITIONWO2005108523
OPPOSITIONWO2006094303
SEARCHJPH04110388
SEARCHUS2004127383
SEARCHUS2004256594
SEARCHUS3723318
SEARCHWO2005103192

Non-Patent Literature (NPL) Citations (7) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
DESCRIPTION- "Lubricants in Refrigeration Systems", ASHRAE Handbook, Refrigeration Systems and Applications, (1990), pages 8.1 - 8.21
DESCRIPTION- SAUNDERS; FRISCH, Polyurethanes Chemistry and Technology, JOHN WILEY AND SONS, (1962), vol. I, II
OPPOSITION- Anonymous, "Designation and Safety Classification of Refrigerants", ASHRAE STANDARD 34-2004 (Includes ANSI/ASHRAE addenda listed in Appendix C), (20040101), pages 1 - 22, XP055808523
OPPOSITION- ASHRAE Standard 34-2004, "Refrigeration lubes" S.J. Randles, 563-594
OPPOSITION- Declaration by Dr. R. E. Low
OPPOSITION- Paul L. Matlock, Et Al., "Polyalkylene Glycols; Refrigeration lubes", Synthetic Lubricants and High-Performance Functional Fluids, (19990101), pages 159 - 594, XP055646083
SEARCH- DATABASE WPI, 0, Derwent World Patents Index, vol. 1992, no. 21, Database accession no. 1992-172539, XP002343594 & JPH04110388 A 19920410 (DAIKIN KOGYO KK) [X] 1,11,14 * abstract *

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Dossier Documents

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