Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2006-05-16
2006-05-16
Price, Elvis O. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
Reexamination Certificate
active
07045654
ABSTRACT:
A process is disclosed for the production of alkyl salicylic acids wherein the process comprises reacting salicylic acid with an olefin having at least four carbon atoms at elevated temperature in the presence of a perfluoroalkylsulfonic acid, an alkylsulfonic acid, or an acidic clay as a catalyst.
REFERENCES:
patent: 1998750 (1935-04-01), Brunson et al.
patent: 2490444 (1949-12-01), Kooijman et al.
patent: 2865956 (1958-12-01), Ellis et al.
patent: 3337616 (1967-08-01), Kaeding et al.
patent: 3410798 (1968-11-01), Cohen
patent: 3438899 (1969-04-01), Benoit, Jr.
patent: 3557198 (1971-01-01), Yakimik
patent: 3704315 (1972-11-01), Strang
patent: 3853956 (1974-12-01), Schmerling
patent: 3884949 (1975-05-01), Eicke et al.
patent: 4060535 (1977-11-01), Cinco
patent: 4544491 (1985-10-01), Tyson et al.
patent: 4810398 (1989-03-01), Van Kruchten et al.
patent: 4869837 (1989-09-01), van Wijngaarden et al.
patent: 4876020 (1989-10-01), Zon et al.
patent: 4910334 (1990-03-01), Stuart et al.
patent: 5049685 (1991-09-01), Saito
patent: 5225588 (1993-07-01), Senaratne et al.
patent: 5259966 (1993-11-01), Burke et al.
patent: 5415792 (1995-05-01), Campbell
patent: 5434293 (1995-07-01), Campbell
patent: 5451331 (1995-09-01), O'Connor et al.
patent: 5538650 (1996-07-01), Goto et al.
patent: 5652203 (1997-07-01), Asamori et al.
patent: 5734078 (1998-03-01), Feilden et al.
patent: 5792735 (1998-08-01), Cook et al.
patent: 6034039 (2000-03-01), Gomes et al.
patent: 6281179 (2001-08-01), Skinner et al.
patent: 6348438 (2002-02-01), Le Coent et al.
patent: 6417148 (2002-07-01), Skinner et al.
patent: 6429178 (2002-08-01), Skinner et al.
patent: 6429179 (2002-08-01), Skinner et al.
patent: 689600 (1940-03-01), None
patent: 269619 (1989-07-01), None
patent: 293108 (1991-08-01), None
patent: 0351052 (1990-01-01), None
patent: 0771782 (1997-05-01), None
patent: 0771782 (1997-07-01), None
patent: 02091043 (1990-03-01), None
patent: 02091043 (1990-03-01), None
patent: 9110800 (1997-04-01), None
Crompton Corporation
Dilworth Michael P.
Price Elvis O.
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