NL143900B - METHOD FOR THE WINNING OF TEREPHALIC ACID. - Google Patents

METHOD FOR THE WINNING OF TEREPHALIC ACID.

Info

Publication number
NL143900B
NL143900B NL6414383A NL6414383A NL143900B NL 143900 B NL143900 B NL 143900B NL 6414383 A NL6414383 A NL 6414383A NL 6414383 A NL6414383 A NL 6414383A NL 143900 B NL143900 B NL 143900B
Authority
NL
Netherlands
Prior art keywords
winning
terephalic acid
terephalic
acid
Prior art date
Application number
NL6414383A
Other languages
Dutch (nl)
Other versions
NL6414383A (en
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of NL6414383A publication Critical patent/NL6414383A/xx
Publication of NL143900B publication Critical patent/NL143900B/en

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL6414383A 1963-12-11 1964-12-10 METHOD FOR THE WINNING OF TEREPHALIC ACID. NL143900B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32987763A 1963-12-11 1963-12-11

Publications (2)

Publication Number Publication Date
NL6414383A NL6414383A (en) 1965-06-14
NL143900B true NL143900B (en) 1974-11-15

Family

ID=23287402

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6414383A NL143900B (en) 1963-12-11 1964-12-10 METHOD FOR THE WINNING OF TEREPHALIC ACID.

Country Status (5)

Country Link
JP (1) JPS4826750B1 (en)
BE (1) BE656940A (en)
DE (1) DE1297092B (en)
GB (1) GB1056319A (en)
NL (1) NL143900B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52136897U (en) * 1976-04-12 1977-10-18
US4675438A (en) * 1978-11-17 1987-06-23 Amoco Corporation Direct continuous flow integration of production and purification of high purity iso- or terephthalic acid
JP2893860B2 (en) * 1990-05-17 1999-05-24 三菱瓦斯化学株式会社 Production method of high purity isophthalic acid
ITBO20150180A1 (en) * 2015-04-14 2016-10-14 Sacmi Cooperativa Mecc Imola Soc Coop A R L APPARATUS AND METHOD OF OPTICAL INSPECTION OF OBJECTS, IN PARTICULAR METALLIC LIDS.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744938A (en) * 1952-07-24 1956-05-08 Universal Oil Prod Co Removal of color impurities from organic compounds
US2838565A (en) * 1953-07-17 1958-06-10 Ici Ltd Purification of terephthalic acid
FR1137203A (en) * 1954-12-15 1957-05-27 Ici Ltd Purification of terephthalic acid
GB781936A (en) * 1955-02-25 1957-08-28 Ici Ltd Purification of terephthalic acid
DE1047192B (en) * 1956-12-21 1958-12-24 Hoechst Ag Process for the purification of microcrystalline terephthalic acid by crystal enlargement
GB835721A (en) * 1957-10-23 1960-05-25 Ici Ltd Purification of terephthalic acid

Also Published As

Publication number Publication date
NL6414383A (en) 1965-06-14
BE656940A (en)
DE1297092B (en) 1969-06-12
GB1056319A (en) 1967-01-25
JPS4826750B1 (en) 1973-08-15

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: STANDARD OIL

V4 Lapsed because of reaching the maxim lifetime of a patent