IN187756B - - Google Patents

Info

Publication number
IN187756B
IN187756B IN1305MA1998A IN187756B IN 187756 B IN187756 B IN 187756B IN 1305MA1998 A IN1305MA1998 A IN 1305MA1998A IN 187756 B IN187756 B IN 187756B
Authority
IN
India
Prior art keywords
mixture
alkali metal
zone
transferring
formula
Prior art date
Application number
Other languages
English (en)
Inventor
Christophe Rupin
Philippe Gendarme
Philippe Corbiere
Original Assignee
Atochem Elf Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa
Publication of IN187756B publication Critical patent/IN187756B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2425—Tubular reactors in parallel
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IN1305MA1998 1997-06-16 1998-06-16 IN187756B (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9707440A FR2764600B1 (fr) 1997-06-16 1997-06-16 Procede continu de fabrication de solutions aqueuses de sels alcalins d'acides arylacetiques

Publications (1)

Publication Number Publication Date
IN187756B true IN187756B (https=) 2002-06-15

Family

ID=9508022

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1305MA1998 IN187756B (https=) 1997-06-16 1998-06-16

Country Status (10)

Country Link
EP (1) EP0885872B1 (https=)
JP (1) JPH1171322A (https=)
CN (1) CN1203220A (https=)
AT (1) ATE209176T1 (https=)
CA (1) CA2238398A1 (https=)
DE (1) DE69803244T2 (https=)
ES (1) ES2167851T3 (https=)
FR (1) FR2764600B1 (https=)
IN (1) IN187756B (https=)
PT (1) PT885872E (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300090C (zh) * 2005-03-02 2007-02-14 杭州师范学院 一种芳基乙酸的制备方法
CN106278859B (zh) * 2016-08-24 2019-03-12 河北诚信集团有限公司 一种高品质苯乙酸的生产工艺
CN113600119A (zh) * 2021-08-04 2021-11-05 江苏聚双环新材料科技有限公司 自留分离式供料罐

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817681A (en) * 1954-12-20 1957-12-24 Monsanto Chemicals Arylacetic acids
DE1909440A1 (de) * 1968-03-18 1969-11-13 Lummos Company Verfahren zur Herstellung von aromatischen Carbonsaeuren
US4031243A (en) * 1975-07-03 1977-06-21 Juste, S.A. Quimico-Farmaceutica 2-(4-Isobutyl phenyl)butyric acid, salts thereof, and pharmaceutical compositions containing the same

Also Published As

Publication number Publication date
EP0885872A1 (fr) 1998-12-23
DE69803244D1 (de) 2002-02-21
DE69803244T2 (de) 2002-08-08
CA2238398A1 (fr) 1998-12-16
ES2167851T3 (es) 2002-05-16
FR2764600A1 (fr) 1998-12-18
CN1203220A (zh) 1998-12-30
EP0885872B1 (fr) 2001-11-21
PT885872E (pt) 2002-04-29
ATE209176T1 (de) 2001-12-15
JPH1171322A (ja) 1999-03-16
FR2764600B1 (fr) 1999-08-20

Similar Documents

Publication Publication Date Title
AU643393B2 (en) Preparation of titanium derivatives
PL315319A1 (en) Method of obtaining creatine or creatine monohydrate
TW372960B (en) Manufacture of surfactant esters
ES2132409T3 (es) Procedimiento para la produccion de acido piruvico.
UA27104C2 (uk) Спосіб отримаhhя 4-метил-2'-ціаhобіфеhілу
CA2126210A1 (en) Process for Preparing Flunixin and Intermediates Thereof
IN187756B (https=)
CA2175909A1 (en) Ammonia-free deposition of copper by disproportionation
GR3002689T3 (en) Process for producing 2-methyl-1,4-naphthoquinone
TW282464B (https=)
EP0490221A3 (en) Method for the production of unsaturated ethers
AU567193B2 (en) (preparing finely divided limestone)
NZ191563A (en) Milk containing animal feed compositions stabilised with a complex salt of formic acid
FR2620437B1 (fr) Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu
CA2434894A1 (en) Method for manufacturing alkanedicarboxylic acid
JPS5517339A (en) Preparation of thiourea dioxide
EP0487479A3 (en) A method for purifying iron oxide
AU3056800A (en) Method for making aqueous solutions of unsaturated quaternary ammonium salts
WO2001049605A3 (fr) Procede de preparation de borates de terre rare et utilisation des borates obtenus en luminescence
MXPA04005124A (es) Metodo y sistema para purificar productos de desdoblamiento de hidroperoxido de cumeno.
YU8097A (sh) Postupak za pripremanje kalcijum-piruvata i njegovog hidrata
IL159923A0 (en) Method for producing alkyl nitrites and alkyl dinitrites
AU8856598A (en) Method for producing 3-hydroxy-2-methylbenzoic acid
SG43893G (en) Process for the preparation of an aqueous solution of a heteropoly-saccharide
DE3666952D1 (en) 1-hydroxypyrazole-4-carboxylic acid, process for its preparation and its use