FI48825C - Tapa valmistaa erittäin puhdasta tereftaalihappoa. - Google Patents

Tapa valmistaa erittäin puhdasta tereftaalihappoa.

Info

Publication number
FI48825C
FI48825C FI672231A FI223167A FI48825C FI 48825 C FI48825 C FI 48825C FI 672231 A FI672231 A FI 672231A FI 223167 A FI223167 A FI 223167A FI 48825 C FI48825 C FI 48825C
Authority
FI
Finland
Prior art keywords
terephthalic acid
extremely pure
pure terephthalic
producing extremely
producing
Prior art date
Application number
FI672231A
Other languages
English (en)
Swedish (sv)
Other versions
FI48825B (fi
Inventor
Ewald Katzschmann
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.)
Filing date
Publication date
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Application granted granted Critical
Publication of FI48825B publication Critical patent/FI48825B/fi
Publication of FI48825C publication Critical patent/FI48825C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
    • C08K5/3445—Five-membered rings
FI672231A 1966-08-31 1967-08-21 Tapa valmistaa erittäin puhdasta tereftaalihappoa. FI48825C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5742066 1966-08-31
DED51020A DE1299627B (de) 1966-08-31 1966-09-03 Verfahren zur Herstellung von reinster Terepthalsaeure

Publications (2)

Publication Number Publication Date
FI48825B FI48825B (fi) 1974-09-30
FI48825C true FI48825C (fi) 1975-01-10

Family

ID=25972461

Family Applications (1)

Application Number Title Priority Date Filing Date
FI672231A FI48825C (fi) 1966-08-31 1967-08-21 Tapa valmistaa erittäin puhdasta tereftaalihappoa.

Country Status (12)

Country Link
US (2) US3448074A (fi)
BE (1) BE702571A (fi)
CH (2) CH479525A (fi)
DE (1) DE1299627B (fi)
DK (1) DK125197B (fi)
ES (1) ES344705A1 (fi)
FI (1) FI48825C (fi)
FR (1) FR1551031A (fi)
GB (2) GB1145470A (fi)
NL (1) NL6711262A (fi)
NO (1) NO122699B (fi)
SE (1) SE335722B (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542729A (en) * 1968-03-19 1970-11-24 Sankyo Co Stabilization of synthetic polymers
GB1395159A (en) * 1971-11-30 1975-05-21 Ciba Geigy Ag Tetra-hydropyridine derivatives
CH579117A5 (fi) * 1973-06-22 1976-08-31 Ciba Geigy Ag
US3952053A (en) * 1974-02-26 1976-04-20 Safetech, Inc. Method for recovering terephthalic acid and ethylene glycol from polyester materials
CA1067094A (en) * 1975-08-07 1979-11-27 Sun Ventures Hydrolysis of aromatic nitriles to carboxylic acids
US4188487A (en) * 1977-08-08 1980-02-12 American Cyanamid Company Imidazolinyl benzoic acids, esters and salts and their use as herbicidal agents
DE2916197C2 (de) * 1979-04-21 1982-01-28 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt
US4555537A (en) * 1983-08-08 1985-11-26 American Cyanamid Company Hetero nitrogen containing compounds and polymerms light stabilized with said compounds
JP2874223B2 (ja) * 1989-11-15 1999-03-24 三菱瓦斯化学株式会社 高純度２，６‐ナフタリンジカルボン酸の製造法
US5095145A (en) * 1990-11-05 1992-03-10 Amoco Corporation Preparation of purified terephthalic acid from waste polyethylene terephthalate
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester
US5580905A (en) * 1994-04-28 1996-12-03 United Resource Recovery Corporation Process for recycling polyesters
ES2104512B1 (es) * 1995-09-21 1998-07-01 Interquisa Procedimiento industrial para la fabricacion de acidos carboxilicos aromaticos.
US5958987A (en) 1996-04-10 1999-09-28 The Coca-Cola Company Process for separating polyester from other materials
TWI225483B (en) 1998-10-16 2004-12-21 Ciba Sc Holding Ag Heterocyclic alkoxyamines as regulators in controlled radical polymerization process
US6547840B2 (en) 2001-04-02 2003-04-15 Ciba Specialty Chemicals Corporation Candle wax stabilized with imidazolidines
EA007591B1 (ru) * 2001-06-19 2006-12-29 Юнайтед Рисорс Рикавери Корпорейшн Способ отделения сложного полиэфира от других материалов
US7098299B1 (en) * 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB983134A (en) * 1962-06-13 1965-02-10 American Cyanamid Co Cyclic nitroxides and process for preparing same
US3325499A (en) * 1964-11-02 1967-06-13 Mcneilab Inc 1-(1-hydrocarbyl-4-piperdyl)-2-indolinone
US3325445A (en) * 1966-08-26 1967-06-13 Eastman Kodak Co Poly-alpha-olefin compositions containing pyrazolone stabilizers

Also Published As

Publication number Publication date
US3448074A (en) 1969-06-03
DE1694937A1 (de) 1972-04-13
US3594414A (en) 1971-07-20
DE1299627B (de) 1969-07-24
CH479525A (de) 1969-10-15
SE335722B (fi) 1971-06-07
ES344705A1 (es) 1968-10-16
NO122699B (fi) 1971-08-02
NL6711262A (fi) 1968-03-04
DE1694937B2 (de) 1973-01-04
GB1144687A (en) 1969-03-05
FR1551031A (fi) 1968-12-27
FI48825B (fi) 1974-09-30
CH484955A (de) 1970-01-31
DK125197B (da) 1973-01-15
BE702571A (fi) 1968-02-12
GB1145470A (en) 1969-03-12

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