BR8200314A - Processo em estado de vapor processo continuo em estado de vapor - Google Patents

Processo em estado de vapor processo continuo em estado de vapor

Info

Publication number
BR8200314A
BR8200314A BR8200314A BR8200314A BR8200314A BR 8200314 A BR8200314 A BR 8200314A BR 8200314 A BR8200314 A BR 8200314A BR 8200314 A BR8200314 A BR 8200314A BR 8200314 A BR8200314 A BR 8200314A
Authority
BR
Brazil
Prior art keywords
steam
continuous
state
state process
steam state
Prior art date
Application number
BR8200314A
Other languages
English (en)
Inventor
Thomas Cooper Cleveland
James Edward Deitzler
Arthur Roy Doumaux Jr
Joseph Peter Henry
John Marion Hurt
Louis Anthony Kapicak
Bernard Claude Ream
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of BR8200314A publication Critical patent/BR8200314A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/36—Oxalic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
BR8200314A 1981-01-23 1982-01-21 Processo em estado de vapor processo continuo em estado de vapor BR8200314A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22779381A 1981-01-23 1981-01-23
US06/239,763 US4629806A (en) 1981-01-23 1981-03-12 Vapor state formation of diesters of oxalic acid

Publications (1)

Publication Number Publication Date
BR8200314A true BR8200314A (pt) 1982-11-23

Family

ID=22854488

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200314A BR8200314A (pt) 1981-01-23 1982-01-21 Processo em estado de vapor processo continuo em estado de vapor

Country Status (10)

Country Link
US (1) US4629806A (pt)
JP (1) JP2899883B2 (pt)
KR (1) KR870002127B1 (pt)
AU (1) AU546474B2 (pt)
BR (1) BR8200314A (pt)
CA (1) CA1169435A (pt)
ES (1) ES508994A0 (pt)
MX (1) MX161009A (pt)
MY (1) MY8700251A (pt)
ZA (1) ZA82246B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4879401A (en) * 1987-09-29 1989-11-07 Union Carbide Chemicals And Plastics Company Inc. Process for removal of impurities in alkyl nitrite formation
US4908466A (en) * 1987-09-29 1990-03-13 Union Carbide Chemicals And Plastics Company Inc. Process and reaction vessel for production of alkyl nitrite
DE4020941A1 (de) * 1990-06-30 1992-01-02 Bayer Ag Verfahren zur herstellung von dialkylcarbonaten
CN101190884B (zh) * 2006-11-21 2011-02-23 上海焦化有限公司 一种合成草酸二甲酯并副产碳酸二甲酯的方法
CN101993366B (zh) * 2009-08-31 2014-01-22 中国石油化工股份有限公司 由co气相法制备草酸酯的方法
CN102219680B (zh) * 2010-04-15 2013-09-18 中国石油化工股份有限公司 由co气相法制备草酸酯的方法
CN102807490B (zh) * 2012-08-30 2014-08-20 安徽淮化股份有限公司 一种草酸二甲酯的处理和回收系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831882A (en) 1955-09-16 1958-04-22 Du Pont Preparation of nitrite esters
JPS5315313A (en) * 1976-07-27 1978-02-13 Ube Ind Ltd Production of oxalic acid diesters
JPS54100312A (en) * 1978-01-25 1979-08-08 Ube Ind Ltd Preparation of oxalic diesters
JPS54103817A (en) * 1978-01-30 1979-08-15 Ube Ind Ltd Continuous production of oxalic ester
IT1097268B (it) * 1978-06-23 1985-08-31 Montedison Spa Processo per la preparazione di esteri dell'acido ossalico

Also Published As

Publication number Publication date
JPS57142942A (en) 1982-09-03
AU7975482A (en) 1982-07-29
ES8300671A1 (es) 1982-12-01
ES508994A0 (es) 1982-12-01
JP2899883B2 (ja) 1999-06-02
MY8700251A (en) 1987-12-31
US4629806A (en) 1986-12-16
CA1169435A (en) 1984-06-19
MX161009A (es) 1990-06-29
ZA82246B (en) 1982-11-24
AU546474B2 (en) 1985-09-05
KR830008978A (ko) 1983-12-16
KR870002127B1 (en) 1987-12-09

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/01/97