FI900107A0 - FOERFARANDE FOER FRAMSTAELLNING AV OXALSYRA. - Google Patents

FOERFARANDE FOER FRAMSTAELLNING AV OXALSYRA.

Info

Publication number
FI900107A0
FI900107A0 FI900107A FI900107A FI900107A0 FI 900107 A0 FI900107 A0 FI 900107A0 FI 900107 A FI900107 A FI 900107A FI 900107 A FI900107 A FI 900107A FI 900107 A0 FI900107 A0 FI 900107A0
Authority
FI
Finland
Prior art keywords
oxalsyra
foerfarande foer
foer framstaellning
framstaellning
foerfarande
Prior art date
Application number
FI900107A
Other languages
Finnish (fi)
Other versions
FI900107A (en
FI87191C (en
FI87191B (en
Inventor
Antti Ilmari Vuori
Tapio Mattila
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Priority to FI900107A priority Critical patent/FI87191C/en
Publication of FI900107A0 publication Critical patent/FI900107A0/en
Priority to EP19910901500 priority patent/EP0462244A1/en
Priority to PCT/FI1991/000007 priority patent/WO1991010637A1/en
Publication of FI900107A publication Critical patent/FI900107A/en
Application granted granted Critical
Publication of FI87191B publication Critical patent/FI87191B/en
Publication of FI87191C publication Critical patent/FI87191C/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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
FI900107A 1990-01-09 1990-01-09 Process for the production of oxalic acid FI87191C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI900107A FI87191C (en) 1990-01-09 1990-01-09 Process for the production of oxalic acid
EP19910901500 EP0462244A1 (en) 1990-01-09 1991-01-08 A process for preparing oxalic acid
PCT/FI1991/000007 WO1991010637A1 (en) 1990-01-09 1991-01-08 A process for preparing oxalic acid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI900107 1990-01-09
FI900107A FI87191C (en) 1990-01-09 1990-01-09 Process for the production of oxalic acid

Publications (4)

Publication Number Publication Date
FI900107A0 true FI900107A0 (en) 1990-01-09
FI900107A FI900107A (en) 1991-07-10
FI87191B FI87191B (en) 1992-08-31
FI87191C FI87191C (en) 1992-12-10

Family

ID=8529664

Family Applications (1)

Application Number Title Priority Date Filing Date
FI900107A FI87191C (en) 1990-01-09 1990-01-09 Process for the production of oxalic acid

Country Status (3)

Country Link
EP (1) EP0462244A1 (en)
FI (1) FI87191C (en)
WO (1) WO1991010637A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101693656B (en) * 2009-10-20 2012-09-05 山西省原平市化工有限责任公司 High-conversion and high-yield process for producing oxalic acid by calcifying method
CN104892400B (en) * 2015-06-02 2016-09-07 福州大学 Catalyze and synthesize oxalic acid intermittent reaction and continuous reaction rectification group technology
CN113307736A (en) * 2021-06-29 2021-08-27 河南心连心化学工业集团股份有限公司 Device and method for producing oxalic acid by using byproduct oxalate produced in process of preparing ethylene glycol from coal
CN114949909A (en) * 2022-05-21 2022-08-30 浙江贝诺机械有限公司 Continuous crystallization process of oxalic acid

Also Published As

Publication number Publication date
WO1991010637A1 (en) 1991-07-25
EP0462244A1 (en) 1991-12-27
FI900107A (en) 1991-07-10
FI87191C (en) 1992-12-10
FI87191B (en) 1992-08-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: KEMIRA OY