IT990492B - Procedimento per la separazione dell acido citrico come citrato tricalcico dall acido isocitrico - Google Patents

Procedimento per la separazione dell acido citrico come citrato tricalcico dall acido isocitrico

Info

Publication number: IT990492B
Authority: IT; Italy
Prior art keywords: acid; separation; procedure; tricalcium citrate; citric acid
Prior art date: 1969-09-25

Application number

IT70213/70A

Other languages

English (en)

Original Assignee

Takeda Chemical Industries Ltd

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.)

1969-09-25

Filing date

1970-09-24

Publication date

1975-06-20

1970-09-24 Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd

1975-06-20 Application granted granted Critical

1975-06-20 Publication of IT990492B publication Critical patent/IT990492B/it

Links

KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 title 3
ODBLHEXUDAPZAU-ZAFYKAAXSA-N D-threo-isocitric acid Chemical compound OC(=O)[C@H](O)[C@@H](C(O)=O)CC(O)=O ODBLHEXUDAPZAU-ZAFYKAAXSA-N 0.000 title 1
ODBLHEXUDAPZAU-FONMRSAGSA-N Isocitric acid Natural products OC(=O)[C@@H](O)[C@H](C(O)=O)CC(O)=O ODBLHEXUDAPZAU-FONMRSAGSA-N 0.000 title 1
FNAQSUUGMSOBHW-UHFFFAOYSA-H calcium citrate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O FNAQSUUGMSOBHW-UHFFFAOYSA-H 0.000 title 1
239000001354 calcium citrate Substances 0.000 title 1
238000000034 method Methods 0.000 title 1
238000000926 separation method Methods 0.000 title 1
ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 title 1
235000013337 tricalcium citrate Nutrition 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Removal Of Specific Substances (AREA)

IT70213/70A 1969-09-25 1970-09-24 Procedimento per la separazione dell acido citrico come citrato tricalcico dall acido isocitrico IT990492B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP44076400A JPS4942557B1 (it)	1969-09-25	1969-09-25

Publications (1)

Publication Number	Publication Date
IT990492B true IT990492B (it)	1975-06-20

Family

ID=13604220

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT70213/70A IT990492B (it)	1969-09-25	1970-09-24	Procedimento per la separazione dell acido citrico come citrato tricalcico dall acido isocitrico

Country Status (12)

Country	Link
US (1)	US3725474A (it)
JP (1)	JPS4942557B1 (it)
BE (1)	BE756656A (it)
CA (1)	CA926418A (it)
DE (1)	DE2046576C3 (it)
FR (1)	FR2062609A5 (it)
GB (1)	GB1326785A (it)
IE (1)	IE34555B1 (it)
IL (1)	IL35316A (it)
IT (1)	IT990492B (it)
NL (1)	NL165450C (it)
ZA (1)	ZA706342B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3014503A1 (de) *	1980-04-16	1981-10-22	Joh. A. Benckiser Gmbh, 6700 Ludwigshafen	Kontinuierliches verfahren zur gewinnung von tricalciumcitrat aus citronensaeure enthaltenden loesungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB435586A (en) *	1934-08-24	1935-09-24	Alexander Hutcheon Bennett	Improvements relating to the manufacture of acid calcium citrate

0
- BE BE756656D patent/BE756656A/xx not_active IP Right Cessation
1969
- 1969-09-25 JP JP44076400A patent/JPS4942557B1/ja active Pending
1970
- 1970-09-16 ZA ZA706342A patent/ZA706342B/xx unknown
- 1970-09-18 IL IL35316A patent/IL35316A/xx unknown
- 1970-09-22 DE DE2046576A patent/DE2046576C3/de not_active Expired
- 1970-09-24 IT IT70213/70A patent/IT990492B/it active
- 1970-09-24 GB GB4552070A patent/GB1326785A/en not_active Expired
- 1970-09-24 NL NL7014109.A patent/NL165450C/xx not_active IP Right Cessation
- 1970-09-24 IE IE1243/70A patent/IE34555B1/xx unknown
- 1970-09-24 FR FR7034650A patent/FR2062609A5/fr not_active Expired
- 1970-09-25 CA CA094089A patent/CA926418A/en not_active Expired
- 1970-09-25 US US00075328A patent/US3725474A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US3725474A (en)	1973-04-03
IE34555B1 (en)	1975-06-11
DE2046576C3 (de)	1985-10-24
IL35316A0 (en)	1970-11-30
GB1326785A (en)	1973-08-15
DE2046576A1 (de)	1971-04-01
DE2046576B2 (de)	1979-03-01
IE34555L (en)	1971-03-25
NL7014109A (it)	1971-03-29
IL35316A (en)	1973-05-31
NL165450B (nl)	1980-11-17
NL165450C (nl)	1981-04-15
ZA706342B (en)	1971-05-27
CA926418A (en)	1973-05-15
BE756656A (fr)	1971-03-01
JPS4942557B1 (it)	1974-11-15
FR2062609A5 (it)	1971-06-25

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