FI44386C - Menetelmä puhtaan tereftaalihapon talteenottamiseksi - Google Patents

Menetelmä puhtaan tereftaalihapon talteenottamiseksi

Info

Publication number: FI44386C
Authority: FI; Finland
Prior art keywords: terephthalic acid; pure terephthalic; recovering pure; recovering; acid
Prior art date: 1965-07-28

Application number

FI661921A

Other languages

English (en)

Finnish (fi)

Other versions

FI44386B (xx

Inventor

Katzschmann Ewald

Original Assignee

Chemische Werke Witten Gmbh

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.)

1965-07-28

Filing date

1966-07-18

Publication date

1971-11-10

1966-07-18 Application filed by Chemische Werke Witten Gmbh filed Critical Chemische Werke Witten Gmbh

1971-08-02 Application granted granted Critical

1971-08-02 Publication of FI44386B publication Critical patent/FI44386B/fi

1971-11-10 Publication of FI44386C publication Critical patent/FI44386C/fi

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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FI661921A 1965-07-28 1966-07-18 Menetelmä puhtaan tereftaalihapon talteenottamiseksi FI44386C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEC0036517		1965-07-28
DEC36516A DE1259326B (de)	1965-07-28	1965-07-28	Verfahren zur Gewinnung reiner Terephthalsaeure

Publications (2)

Publication Number	Publication Date
FI44386B FI44386B (xx)	1971-08-02
FI44386C true FI44386C (fi)	1971-11-10

Family

ID=25970100

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FI661921A FI44386C (fi)	1965-07-28	1966-07-18	Menetelmä puhtaan tereftaalihapon talteenottamiseksi
FI661923A FI45550C (fi)	1965-07-28	1966-07-19	Menetelmä puhtaan tereftaalihapon talteenottamiseksi.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FI661923A FI45550C (fi)	1965-07-28	1966-07-19	Menetelmä puhtaan tereftaalihapon talteenottamiseksi.

Country Status (11)

Country	Link
BE (1)	BE684645A (xx)
CH (2)	CH466259A (xx)
DE (2)	DE1259326B (xx)
DK (2)	DK118234B (xx)
ES (1)	ES329474A1 (xx)
FI (2)	FI44386C (xx)
FR (1)	FR1487936A (xx)
GB (1)	GB1155589A (xx)
LU (1)	LU50543A1 (xx)
NL (1)	NL6609738A (xx)
SE (1)	SE343850B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2010137C3 (de) *	1970-03-04	1979-07-05	Dynamit Nobel Ag, 5210 Troisdorf	Verfahren zur Herstellung von Terephthalsauredimethylester
US3883584A (en) *	1971-11-25	1975-05-13	Teijin Ltd	Process for the preparation of terephthalic acid
DE2804156C2 (de) *	1977-01-31	1982-04-08	Teijin Ltd., Osaka	Verfahren zur Herstellung von Terephthalsäure
ES2104512B1 (es) *	1995-09-21	1998-07-01	Interquisa	Procedimiento industrial para la fabricacion de acidos carboxilicos aromaticos.

0
- DE DENDAT1251735D patent/DE1251735B/de active Pending
1965
- 1965-07-28 DE DEC36516A patent/DE1259326B/de active Pending
1966
- 1966-02-28 LU LU50543A patent/LU50543A1/xx unknown
- 1966-07-12 NL NL6609738A patent/NL6609738A/xx unknown
- 1966-07-18 FI FI661921A patent/FI44386C/fi active
- 1966-07-19 FI FI661923A patent/FI45550C/fi active
- 1966-07-23 ES ES0329474A patent/ES329474A1/es not_active Expired
- 1966-07-25 CH CH1071766A patent/CH466259A/de unknown
- 1966-07-25 CH CH1071866A patent/CH539013A/de not_active IP Right Cessation
- 1966-07-26 SE SE10197/66A patent/SE343850B/xx unknown
- 1966-07-27 DK DK390266AA patent/DK118234B/da unknown
- 1966-07-27 DK DK390366AA patent/DK125196B/da unknown
- 1966-07-27 GB GB33736/66A patent/GB1155589A/en not_active Expired
- 1966-07-27 BE BE684645D patent/BE684645A/xx unknown
- 1966-07-28 FR FR71203A patent/FR1487936A/fr not_active Expired

Also Published As

Publication number	Publication date
ES329474A1 (es)	1967-05-16
FR1487936A (fr)	1967-07-07
FI45550C (fi)	1972-07-10
DE1251735B (de)	1967-10-12
CH539013A (de)	1973-07-15
FI44386B (xx)	1971-08-02
LU50543A1 (xx)	1966-04-28
DK118234B (da)	1970-07-27
CH466259A (de)	1968-12-15
BE684645A (xx)	1967-01-27
DK125196B (da)	1973-01-15
DE1259326B (de)	1968-01-25
GB1155589A (en)	1969-06-18
NL6609738A (xx)	1967-01-30
FI45550B (xx)	1972-04-04
SE343850B (xx)	1972-03-20

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