FI45550C - Process for recovering pure terephthalic acid. - Google Patents

Process for recovering pure terephthalic acid.

Info

Publication number: FI45550C
Authority: FI; Finland
Prior art keywords: terephthalic acid; pure terephthalic; recovering pure; recovering; acid
Prior art date: 1965-07-28

Application number

FI661923A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI45550B (en

Inventor

Katzschmann Ewald

Original Assignee

Dynamit Nobel Ag

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

1966-07-19

Publication date

1972-07-10

1966-07-19 Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag

1972-04-04 Publication of FI45550B publication Critical patent/FI45550B/fi

1972-07-10 Application granted granted Critical

1972-07-10 Publication of FI45550C publication Critical patent/FI45550C/en

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)

FI661923A 1965-07-28 1966-07-19 Process for recovering pure terephthalic acid. FI45550C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEC0036517		1965-07-28
DEC36516A DE1259326B (en)	1965-07-28	1965-07-28	Process for obtaining pure terephthalic acid

Publications (2)

Publication Number	Publication Date
FI45550B FI45550B (en)	1972-04-04
FI45550C true FI45550C (en)	1972-07-10

Family

ID=25970100

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FI661921A FI44386C (en)	1965-07-28	1966-07-18	Method for recovering pure terephthalic acid
FI661923A FI45550C (en)	1965-07-28	1966-07-19	Process for recovering pure terephthalic acid.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FI661921A FI44386C (en)	1965-07-28	1966-07-18	Method for recovering pure terephthalic acid

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2010137C3 (en) *	1970-03-04	1979-07-05	Dynamit Nobel Ag, 5210 Troisdorf	Process for the preparation of dimethyl terephthalate
US3883584A (en) *	1971-11-25	1975-05-13	Teijin Ltd	Process for the preparation of terephthalic acid
DE2804156C2 (en) *	1977-01-31	1982-04-08	Teijin Ltd., Osaka	Process for the production of terephthalic acid
ES2104512B1 (en) *	1995-09-21	1998-07-01	Interquisa	INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF AROMATIC CARBOXYL ACIDS.

0
- DE DENDAT1251735D patent/DE1251735B/en active Pending
1965
- 1965-07-28 DE DEC36516A patent/DE1259326B/en 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/en active
- 1966-07-19 FI FI661923A patent/FI45550C/en active
- 1966-07-23 ES ES0329474A patent/ES329474A1/en not_active Expired
- 1966-07-25 CH CH1071766A patent/CH466259A/en unknown
- 1966-07-25 CH CH1071866A patent/CH539013A/en not_active IP Right Cessation
- 1966-07-26 SE SE10197/66A patent/SE343850B/xx unknown
- 1966-07-27 BE BE684645D patent/BE684645A/xx unknown
- 1966-07-27 DK DK390266AA patent/DK118234B/en unknown
- 1966-07-27 DK DK390366AA patent/DK125196B/en unknown
- 1966-07-27 GB GB33736/66A patent/GB1155589A/en not_active Expired
- 1966-07-28 FR FR71203A patent/FR1487936A/en not_active Expired

Also Published As

Publication number	Publication date
LU50543A1 (en)	1966-04-28
DK118234B (en)	1970-07-27
FI44386C (en)	1971-11-10
DE1251735B (en)	1967-10-12
NL6609738A (en)	1967-01-30
FI45550B (en)	1972-04-04
DK125196B (en)	1973-01-15
CH466259A (en)	1968-12-15
GB1155589A (en)	1969-06-18
BE684645A (en)	1967-01-27
CH539013A (en)	1973-07-15
SE343850B (en)	1972-03-20
FR1487936A (en)	1967-07-07
ES329474A1 (en)	1967-05-16
DE1259326B (en)	1968-01-25
FI44386B (en)	1971-08-02

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