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
Authority: BR; Brazil
Prior art keywords: reverse osmosis; itaconic acid; purification process; acid purification; itaconic
Prior art date: 1969-06-16

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.)

1969-06-16

Filing date

1970-06-11

Publication date

1973-08-09

1970-06-11 Application filed by Pfizer filed Critical Pfizer

1973-08-09 Publication of BR7019663D0 publication Critical patent/BR7019663D0/pt

Links

JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 title 1
LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 title 1
238000000746 purification Methods 0.000 title 1
238000001223 reverse osmosis Methods 0.000 title 1

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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Preparation Of Compounds By Using Micro-Organisms (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

1969
- 1969-06-16 US US833724A patent/US3544455A/en not_active Expired - Lifetime
- 1969-09-04 GB GB43933/69A patent/GB1224157A/en not_active Expired
1970
- 1970-06-02 IE IE704/70A patent/IE34250B1/xx unknown
- 1970-06-11 FR FR7021509A patent/FR2051107A5/fr not_active Expired
- 1970-06-11 JP JP4990270A patent/JPS4746345B1/ja active Pending
- 1970-06-11 BR BR219663/70A patent/BR7019663D0/pt unknown

Also Published As

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

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