Process for removal of benzoic acid from an oxidizer purge...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

Reexamination Certificate

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C562S494000

Reexamination Certificate

active

07402694

ABSTRACT:
A process is disclosed that relates to the removal of impurities, specifically benzoic acid, from a mother liquor produced in the synthesis of carboxylic acid, typically terephthalic acid.

REFERENCES:
patent: 2964559 (1960-12-01), Burney et al.
patent: 3840641 (1974-10-01), Wampflier et al.
patent: 3873468 (1975-03-01), Kobinata et al.
patent: 3950409 (1976-04-01), Yokota et al.
patent: 3996271 (1976-12-01), Yokota et al.
patent: 4081464 (1978-03-01), Marsh et al.
patent: 4158738 (1979-06-01), Scott et al.
patent: 4185073 (1980-01-01), Marsh et al.
patent: 4219669 (1980-08-01), Tsuchiya et al.
patent: 4298580 (1981-11-01), Harper et al.
patent: 4330676 (1982-05-01), Moxham
patent: 4356319 (1982-10-01), Roffia et al.
patent: 4769489 (1988-09-01), Abrams et al.
patent: 4914230 (1990-04-01), Abrams et al.
patent: 4939297 (1990-07-01), Browder et al.
patent: 5200557 (1993-04-01), Gee et al.
patent: 5643468 (1997-07-01), Ure
patent: 5676847 (1997-10-01), Yamamoto et al.
patent: 5705682 (1998-01-01), Ohkashi et al.
patent: 5770765 (1998-06-01), Ohkashi
patent: 5840965 (1998-11-01), Turner et al.
patent: 5916422 (1999-06-01), Kimura et al.
patent: 5955394 (1999-09-01), Kelly
patent: 6054610 (2000-04-01), Lee et al.
patent: 6133476 (2000-10-01), Lin
patent: 6153790 (2000-11-01), June et al.
patent: 6562997 (2003-05-01), Sikkenga et al.
patent: 7074954 (2006-07-01), Sheppard et al.
patent: 7132566 (2006-11-01), Sumner et al.
patent: 2001/0041811 (2001-11-01), Sikkenga et al.
patent: 2002/0016500 (2002-02-01), Matsumoto et al.
patent: 2002/0193630 (2002-12-01), Lin et al.
patent: 2004/0225148 (2004-11-01), Isogai et al.
patent: 2004/0244536 (2004-12-01), Lin
patent: 2004/0245176 (2004-12-01), Parker et al.
patent: 2004/0249207 (2004-12-01), Lin et al.
patent: 2004/0249208 (2004-12-01), Lin et al.
patent: 2007/0205153 (2007-09-01), Parker et al.
patent: 2007/0208195 (2007-09-01), Gibson et al.
patent: 2007/0208196 (2007-09-01), Parker et al.
patent: 2007/0208197 (2007-09-01), Gibson et al.
patent: 2007/0208198 (2007-09-01), Parker et al
patent: 2007/0208199 (2007-09-01), Parker et al.
patent: 2007/0213557 (2007-09-01), Seiki et al.
patent: 2131470 (1970-06-01), None
patent: 0 181 127 (1986-05-01), None
patent: 0 764 627 (1997-03-01), None
patent: 0 579 715 (1997-08-01), None
patent: 1 484 305 (2004-08-01), None
patent: 1 484 306 (2004-08-01), None
patent: 892766 (1962-03-01), None
patent: 1407705 (1975-09-01), None
patent: 2067563 (1981-07-01), None
patent: 46-14339 (1974-11-01), None
patent: 51-145488 (1976-12-01), None
patent: 49-123191 (1979-02-01), None
patent: 54-25292 (1979-02-01), None
patent: 62-25651 (1987-06-01), None
patent: 09-048744 (1997-02-01), None
patent: 9-157214 (1997-06-01), None
patent: 10-114699 (1998-05-01), None
patent: 11-349529 (1999-12-01), None
patent: 3211396 (2001-09-01), None
patent: 3232678 (2001-11-01), None
patent: 59-53441 (2004-03-01), None
patent: 1991-5989 (1991-08-01), None
patent: WO 92/18453 (1992-10-01), None
patent: WO 92/18454 (1992-10-01), None
patent: WO 93/24441 (1993-12-01), None
patent: WO 97/27168 (1997-07-01), None
patent: WO 97/30963 (1997-08-01), None
patent: WO 00/31014 (2000-06-01), None
patent: WO 01/55075 (2001-08-01), None
BHS—Werk Sonthofen,BHS-FEST Pressure Filter, 1990, pamphlet, Santhofen, West Germany.
USPTO Office Action dated Oct. 20, 2004 for U.S. Appl. No. 10/455,017.
USPTO Office Action dated Jun. 6, 2005 for U.S. Appl. No. 10/455,017.
USPTO Office Action dated Nov. 10, 2005 for U.S. Appl. No. 10/455,017.
Copending U.S. Appl. No. 10/156,312, filed May 28, 2002.
Copending U.S. Appl. No. 10/948,591, filed Sep. 24, 2004.
Copending U.S. Appl. No. 10/948,678, filed Sep. 24, 2004.
Copending U.S. Appl. No. 10/975,256, filed Oct. 28, 2004.
Copending U.S. Appl. No. 10/975,252, filed Oct. 28, 2004.
USPTO office action dated Jul. 19, 2006 for copending U.S. Appl. No. 10/455,017.
USPTO office action dated Jul. 19, 2006 for copending U.S. Appl. No. 10/455,018.
USPTO office action dated Jul. 19, 2006 for copending U.S. Appl. No. 10/455,016.
Treybal, Robert E., “Stagewise Contact, Single-Stage Extraction,” Mass-Transfer Operations, Third Edition, 1980, pp. 490-555, McGraw-Hill Book Company.
USPTO office action dated Nov. 30, 2006 for copending U.S. Appl. No. 10/975,256.
USPTO office action dated Nov. 30, 2006 for copending U.S. Appl. No. 10/975,252.
USPTO office action dated Jan. 18, 2007 for copending U.S. Appl. No. 10/455,017.
Copending U.S. Appl. No. 11/655,395, filed Jan. 19, 2007, Philip E. Gibson et al.
Copending U.S. Appl. No. 11/655,317, filed Jan. 19, 2007, Philip E. Gibson et al.
Copending U.S. Appl. No. 11/655,396, filed Jan. 19, 2007, Kenny R. Parker et al.
USPTO Office Action dated Mar. 14, 2007, for copending U.S. Appl. No. 10/455,016.
USPTO Office Action dated May 11, 2007 for copending U.S. Appl. No. 10/455,017.
USPTO Office Action dated May 14, 2007 for copending U.S. Appl. No. 10/455,018.
USPTO Office Action dated Jul. 6, 2007 for copending U.S. Appl. No. 10/455,016.
Notice of Allowance dated Aug. 1, 2007 for copending U.S. Appl. No. 10/975,252.
Notice of Allowance dated Jul. 18, 2007 for copending U.S. Appl. No. 10/975,256.
Copending U.S. Appl. No. 11/839,575, filed Aug. 16, 2007, Philip Edward Gibson et al.
Copending U.S. Appl. No. 11/839,578, filed Aug. 16, 2007, Philip Edward Gibson et al.
Copending U.S. Appl. No. 11/839,582, filed Aug. 16, 2007, Philip Edward Gibson et al.
Copending U.S. Appl. No. 11/839,573, filed Aug. 16, 2007, Kenny Randolph Parker et al.
Copending U.S. Appl. No. 11/842,413, filed Aug. 21, 2007, Kenny Randolph Parker et al.
USPTO Office Action dated Sep. 11, 2007 for copending U.S. Appl. No. 10/455,017.
USPTO Notice of Allowance dated Sep. 11, 2007 for copending U.S. Appl. No. 10/455,018.
USPTO Office Action dated Sep. 25, 2007 for copending U.S. Appl. No. 11/655,396.
USPTO Office Action dated Sep. 25, 2007 for copending U.S. Appl. No. 11/655,395.
USPTO Office Action dated Oct. 16, 2007 for copending U.S. Appl. No. 11/655,317.
USPTO Notice of Allowance dated Dec. 3, 2007 for copending U.S. Appl. No. 10/455,017.
USPTO Notice of Allowance dated Jan. 15, 2008 for copending U.S. Appl. No. 10/455,016.

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