Polyhalogenated ethers

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C549S231000, C568S614000, C568S615000, C558S015000, C558S016000, C558S053000, C558S204000, C558S260000, C558S300000, C558S301000, C560S183000, C560S263000, C562S849000, C564S032000

Reexamination Certificate

active

07393961

ABSTRACT:
(Per)haloethers having formula:in-line-formulae description="In-line Formulae" end="lead"?X-(Rf)L-O—CF2CF2—O—CX1X2—CFX3X4,   (I)in-line-formulae description="In-line Formulae" end="tail"?process for obtaining them and hypofluorites usable in the synthesis of said (per)haloethers.

REFERENCES:
patent: 2500388 (1950-03-01), Simons
patent: 3114778 (1963-12-01), Gerhard et al.
patent: 3175378 (1965-03-01), Russell
patent: 3250806 (1966-05-01), Warnell
patent: 3683027 (1972-08-01), Sianesi et al.
patent: 3692843 (1972-09-01), Resnick
patent: 3847978 (1974-11-01), Sianesi et al.
patent: 4460514 (1984-07-01), Baucom et al.
patent: 4499024 (1985-02-01), Fifolt
patent: 4570004 (1986-02-01), Lagow et al.
patent: 4675452 (1987-06-01), Lagow et al.
patent: 4720527 (1988-01-01), Caporicio et al.
patent: 4801409 (1989-01-01), Marraccini et al.
patent: 4827024 (1989-05-01), Guglielmo et al.
patent: 4900872 (1990-02-01), Guglielmo et al.
patent: 4906770 (1990-03-01), Marchionni et al.
patent: 5143589 (1992-09-01), Marchionni et al.
patent: 5149842 (1992-09-01), Sianesi et al.
patent: 5225576 (1993-07-01), Navarrini et al.
patent: 5258110 (1993-11-01), Sianesi et al.
patent: 5488181 (1996-01-01), Marchionni et al.
patent: 5877357 (1999-03-01), Marraccini et al.
patent: 6127498 (2000-10-01), Tonelli et al.
patent: 6255536 (2001-07-01), Worm et al.
patent: 0 194 862 (1986-09-01), None
patent: 0 201 871 (1986-11-01), None
patent: 201871 (1986-11-01), None
patent: 0 267 626 (1988-05-01), None
patent: 0 267 627 (1988-05-01), None
patent: 0 460 948 (1991-12-01), None
patent: 0 683 181 (1995-05-01), None
patent: 0 754 670 (1997-01-01), None
patent: 1 104 482 (1965-04-01), None
patent: 1 189 337 (1967-07-01), None
patent: 20000MI1844 (2002-02-01), None
patent: 58-164535 (1983-09-01), None
patent: WO 90/03409 (1990-04-01), None
patent: WO 94/13612 (1994-07-01), None
Brice and Coon, “The Effects of Structure on the Viscosities of Perfluoroalkyl Ethers and Amines” Journal of the American Chemical Society, vol. 75, pp. 2921-2925 (1953).
“Electrochemical Fluorination of 1,4-Dioxane and Other Ethers of Ethylene Glycol”, Berenblit et al,J. Appl. Chem.USSR, vol. 53, No. 4, 1980, pp. 673-675.
“Successful Direct Fluorination of Oxygen-Containing Hydrocarbons”, Adcock et al,J. Org. Chem., vol. 40, No. 22, 1975, p. 3271-3275.
“Synthesis of Perfluoropoly (ethylene glycol) Ethers by Direct Fluorination”, Gerhardt et al,J. Org. Chem., vol. 43, No. 23, 1978, pp. 4505-4509.
Database Crossfire Beilstein ′Online! Beilstein Institut zur Forderung der Chemischen Wissenschaften, Frankfurt am Main, DE, Database accession No. 6211879 XP002239261 & Brace,J. Fluorine Chem., vol. 18, 1981, pp. 515-524.
Database Caplus ′Online! Chemical Abstracts Service, Columbus, Ohio, Database Accession No. 116:105755 XP002239262 & “The Synthesis of Perfluoroalkyl and Perfluoroalkyl Ether Substituted Benzils”, Paciorek et al,J. Fluorine Chem., vol. 53, No. 2, 1991, pp. 233-248.
Database Caplus ′Online! Chemical Abstracts Service, Columbus, Ohio, Database Accession No. 109:149500 XP002239263 & “Synthesis of Perfluoro Crown Ethers: A New Class of Cyclic Fluorocarbons”, Lin et al,Pure and Applied Chemistry, vol. 60, No. 4, 1988, pp. 473-476.
Database Caplus ′Online! Chemical Abstracts Service, Columbus, Ohio, Database Accession No. 79:91514 XP002239264 & “Preparation of Highly Fluorinated Ethers”, De Pasquale,J. Org. Chem., vol. 38, No. 17, 1973, pp. 3025-3030.
Database Caplus ′Online! Chemical Abstracts Service, Columbus, Ohio, Database Accession No. 96:6134 XP002239265 & “Some Approaches to the Synthesis of Fluorinated Alcohols and Esters. I. Completely Fluorinated Esters from the Hunsdiecker Reaction of Silver Perfluoroalkanoates with Iodine”, Brace,J. Fluorine Chem., vol. 18, No. 4-6, 1981, pp. 515-524.
Database WPI, Section Ch, Week 199107, Derwent Publications Ltd., London, GB, AN 1991-047261 XP002239267 & JP 02-311436 A, Dec. 27, 1990.
Database Crossfire Beilstein ′Online! Beilstein Institut zur Forderung der Chemischen Wissenschaften, Frankfurt am Main, DE, Database Accession No. 2358915 XP002239266 & “Introduction of Functional Groups into Some Chlorofluorocarbon Ethers”, Schack et al,J. Fluorine Chem., vol. 14, No. 6, 1979, pp. 519-522.
Adv. Flourine Chem. 7 (1973), 175-198.
Ruff J. K. et al., J. Am. Chem. Soc. 88:19 (1966), pp. 4531-4532.
Riley et al., “The synthesis of fluoroether-fluorosilicone hybrid polymers”, J. Fluorine Chem., vol. 10, 1977, pp. 85-110.
Lustig et al., J. Am. Chem. Soc. 89-12 (1967), pp. 2841-2843.
Hohorst A., et al., J. Am. Chem. SOc. 89:9 (1967), pp. 1809-1810.

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