BR7019663D0 - Processo de purificacao de acido itaconico por osmose reversa - Google Patents

Processo de purificacao de acido itaconico por osmose reversa

Info

Publication number
BR7019663D0
BR7019663D0 BR219663/70A BR21966370A BR7019663D0 BR 7019663 D0 BR7019663 D0 BR 7019663D0 BR 219663/70 A BR219663/70 A BR 219663/70A BR 21966370 A BR21966370 A BR 21966370A BR 7019663 D0 BR7019663 D0 BR 7019663D0
Authority
BR
Brazil
Prior art keywords
reverse osmosis
itaconic acid
purification process
acid purification
itaconic
Prior art date
Application number
BR219663/70A
Other languages
English (en)
Inventor
R Taylor
F Adams
L Rice
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of BR7019663D0 publication Critical patent/BR7019663D0/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
BR219663/70A 1969-06-16 1970-06-11 Processo de purificacao de acido itaconico por osmose reversa BR7019663D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83372469A 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
BR7019663D0 true BR7019663D0 (pt) 1973-08-09

Family

ID=25265112

Family Applications (1)

Application Number Title Priority Date Filing Date
BR219663/70A BR7019663D0 (pt) 1969-06-16 1970-06-11 Processo de purificacao de acido itaconico por osmose reversa

Country Status (6)

Country Link
US (1) US3544455A (pt)
JP (1) JPS4746345B1 (pt)
BR (1) BR7019663D0 (pt)
FR (1) FR2051107A5 (pt)
GB (1) GB1224157A (pt)
IE (1) IE34250B1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873425A (en) * 1971-11-19 1975-03-25 Tatsuyoshi Kobayashi Process for producing itaconic acid
GB1509543A (en) * 1974-05-16 1978-05-04 Unilever Ltd Purification process
DE2450670A1 (de) * 1974-10-25 1976-04-29 Benckiser Gmbh Joh A Verfahren zur abtrennung von citrat oder citronensaeure aus fermentationsloesungen
US4560746A (en) * 1983-03-28 1985-12-24 The Hilton-Davis Chemical Co. Ultrafiltration process for purification of dyes useful in foodstuffs
JPH0657719B2 (ja) * 1986-06-03 1994-08-03 味の素株式会社 α−Ｌ−アスパルチル−Ｌ−フエニルアラニンメチルエステルの回収方法
US4956458A (en) * 1988-05-13 1990-09-11 Warner-Lambert Company Purification of polydextrose by reverse osmosis
EP3919543A3 (en) 2005-04-22 2022-03-16 Mitsubishi Chemical Corporation Biomass-resource-derived polyester and production process thereof
CA2985231A1 (en) 2015-06-04 2016-12-08 Bioamber Inc. Biobased production of functionalized alpha-substituted acrylates and c4-dicarboxylates

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244620A (en) * 1964-11-02 1966-04-05 Dow Chemical Co Separation of acid from polymers by dialysis with anion-exchange membranes
US3272737A (en) * 1964-11-02 1966-09-13 Dow Chemical Co Separation of acids by dialysis with anion-exchange membranes

Also Published As

Publication number Publication date
DE2027698A1 (de) 1971-01-14
IE34250L (en) 1970-12-16
DE2027698B2 (pt) 1975-06-05
GB1224157A (en) 1971-03-03
US3544455A (en) 1970-12-01
IE34250B1 (en) 1975-03-19
JPS4746345B1 (pt) 1972-11-22
FR2051107A5 (pt) 1971-04-02

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