ES508994A0 - Procedimiento en estado vapor para preparar diesteres de acido oxalico. - Google Patents

Procedimiento en estado vapor para preparar diesteres de acido oxalico.

Info

Publication number: ES508994A0
Authority: ES; Spain
Prior art keywords: oxalic acid; acid diesters; prepare oxalic; steam; procedure
Prior art date: 1981-01-23
Legal status (The legal status 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 status listed.): Granted

Application number

ES508994A

Other languages

English (en)

Other versions

ES8300671A1 (es

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Union Carbide Corp

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.)

1981-01-23

Filing date

1982-01-22

Publication date

1982-12-01

1982-01-22 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1982-12-01 Publication of ES508994A0 publication Critical patent/ES508994A0/es

1982-12-01 Publication of ES8300671A1 publication Critical patent/ES8300671A1/es

Status Expired legal-status Critical Current

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)

ES508994A 1981-01-23 1982-01-22 Procedimiento en estado vapor para preparar diesteres de acido oxalico. Expired ES8300671A1 (es)

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 (2)

Publication Number	Publication Date
ES508994A0 true ES508994A0 (es)	1982-12-01
ES8300671A1 ES8300671A1 (es)	1982-12-01

Family

ID=22854488

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES508994A Expired ES8300671A1 (es)	1981-01-23	1982-01-22	Procedimiento en estado vapor para preparar diesteres de acido oxalico.

Country Status (10)

Country	Link
US (1)	US4629806A (es)
JP (1)	JP2899883B2 (es)
KR (1)	KR870002127B1 (es)
AU (1)	AU546474B2 (es)
BR (1)	BR8200314A (es)
CA (1)	CA1169435A (es)
ES (1)	ES8300671A1 (es)
MX (1)	MX161009A (es)
MY (1)	MY8700251A (es)
ZA (1)	ZA82246B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4908466A (en) *	1987-09-29	1990-03-13	Union Carbide Chemicals And Plastics Company Inc.	Process and reaction vessel for production of alkyl nitrite
US4879401A (en) *	1987-09-29	1989-11-07	Union Carbide Chemicals And Plastics Company Inc.	Process for removal of impurities in alkyl nitrite formation
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

1981
- 1981-03-12 US US06/239,763 patent/US4629806A/en not_active Expired - Fee Related
1982
- 1982-01-14 ZA ZA82246A patent/ZA82246B/xx unknown
- 1982-01-21 BR BR8200314A patent/BR8200314A/pt not_active IP Right Cessation
- 1982-01-22 ES ES508994A patent/ES8300671A1/es not_active Expired
- 1982-01-22 AU AU79754/82A patent/AU546474B2/en not_active Ceased
- 1982-01-22 KR KR8200268A patent/KR870002127B1/ko not_active Expired
- 1982-01-22 MX MX191091A patent/MX161009A/es unknown
- 1982-01-22 JP JP57007711A patent/JP2899883B2/ja not_active Expired - Lifetime
- 1982-01-25 CA CA000394834A patent/CA1169435A/en not_active Expired
1987
- 1987-12-30 MY MY251/87A patent/MY8700251A/xx unknown

Also Published As

Publication number	Publication date
JP2899883B2 (ja)	1999-06-02
JPS57142942A (en)	1982-09-03
AU546474B2 (en)	1985-09-05
KR870002127B1 (en)	1987-12-09
US4629806A (en)	1986-12-16
MY8700251A (en)	1987-12-31
BR8200314A (pt)	1982-11-23
CA1169435A (en)	1984-06-19
KR830008978A (ko)	1983-12-16
ES8300671A1 (es)	1982-12-01
MX161009A (es)	1990-06-29
ZA82246B (en)	1982-11-24
AU7975482A (en)	1982-07-29

Similar Documents

Publication	Publication Date	Title
MX6174E (es)	1984-12-04	Procedimiento para la preparacion de(4-trifluorometil)-anilida de acido 5-metil-isoxazol-4-carboxilico
ES510163A0 (es)	1983-06-01	Procedimiento para preparar un derivado de acido quinolina-carboxilico.
ES541555A0 (es)	1985-12-16	Sistema para maximizar la temperatura principal del vapor
ES524528A0 (es)	1985-12-01	Procedimiento para preparar un acido alfa-arilalcanoico.
ES520322A0 (es)	1984-04-16	Procedimiento para preparar acido 2-ceto-l-gulonico.
ES518137A0 (es)	1984-01-16	Procedimiento para la preparacion de n-piridil-amidas de acido 1-fenil-ciclopentancarboxilico.
ES512593A0 (es)	1984-10-01	Procedimiento para recuperar uranio del acido fosforico obtenido por via humeda.
ES521430A0 (es)	1984-05-16	Un procedimiento para la preparacion de derivados del acido tetrahidrofurancarboxilico.
ES512900A0 (es)	1983-07-01	Procedimiento para la preparacion de acido acetico.
ES492990A0 (es)	1981-06-01	Procedimiento para la obtencion de compuestos de acido ami- notiazolacetamido-3-cefem-4-carboxilico.
ES508994A0 (es)	1982-12-01	Procedimiento en estado vapor para preparar diesteres de acido oxalico.
ES518710A0 (es)	1984-02-01	Procedimiento para preparar fenilsulfonilisocianatos sustituidos.
ES502828A0 (es)	1982-11-01	Un procedimiento para la preparacion de derivados del acido penen-3-carboxilico.
ES516067A0 (es)	1983-10-01	Procedimiento para preparar esteres de acido nitroso en estado vapor.
ES517285A0 (es)	1983-08-16	Procedimiento para la preparacion de acido metacrilico.
ES510658A0 (es)	1983-04-16	Un procedimiento para la preparacion de un ester clorometilico del acido penicilanico.
MX158713A (es)	1989-03-03	Procedimiento para preparar un diester de acido oxalico en la fase de vapor
ES488211A0 (es)	1980-12-16	Un procedimiento para la preparacion del acido 7-oxo-1-aza- biciclo (3.2.0)hept-2-en-2-carboxilico
AR227896A1 (es)	1982-12-30	Procedimiento para preparar acido 8-mercapto-metil,etil-o propil-6,9-dioxopiridazo(1,2-a)piridazin-1-carboxilico
AR227884A1 (es)	1982-12-30	Procedimiento para la obtencion de acido(fenil-2-benzotiazolil-6)-2-propionico
ES514356A0 (es)	1983-04-16	Procedimiento para la preparacion de compuestos derivados del acido fenoxibenzoico
ES511067A0 (es)	1983-06-16	Procedimiento para preparar un derivado de prostaglandina.
ES504287A0 (es)	1983-01-16	Un procedimiento para la preparacion de derivados del acido monico.
ES516013A0 (es)	1984-02-01	Procedimiento para la obtencion de compuestos de acido 7b-aminooxazolilacetilamino-3-cefem-4-carboxilico.
ES498717A0 (es)	1982-05-01	Un procedimiento para la preparacion de derivados del acido 2-b-clorometil-2&-metilpenam-3&-carboxilico.

Legal Events

Date	Code	Title	Description
2000-12-01	FD1A	Patent lapsed	Effective date: 20001009