BG32113A3 - Metod for obtaining of maleinamic anhydrid - Google Patents

Metod for obtaining of maleinamic anhydrid

Info

Publication number: BG32113A3
Authority: BG; Bulgaria
Prior art keywords: obtaining; maleinamic; metod; anhydrid; dehydration
Prior art date: 1974-07-12

Application number

BG030520A

Other languages

Bulgarian (bg)

English (en)

Inventor

Jean Lietard

Guido Matthijs

Original Assignee

Неизвестен

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.)

1974-07-12

Filing date

1975-07-11

Publication date

1982-05-14

1975-07-11 Application filed by Неизвестен filed Critical Неизвестен

1982-05-14 Publication of BG32113A3 publication Critical patent/BG32113A3/xx

Links

OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 2
230000018044 dehydration Effects 0.000 abstract 2
238000006297 dehydration reaction Methods 0.000 abstract 2
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract 2
239000011976 maleic acid Substances 0.000 abstract 2
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 2
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 abstract 2
238000010438 heat treatment Methods 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
239000002904 solvent Substances 0.000 abstract 1
HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Furan Compounds (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

BG030520A 1974-07-12 1975-07-11 Metod for obtaining of maleinamic anhydrid BG32113A3 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3093874A GB1456101A (en)	1974-07-12	1974-07-12	Process for dehydrating aqueous solutions of maleic acid to maleic anhydride

Publications (1)

Publication Number	Publication Date
BG32113A3 true BG32113A3 (en)	1982-05-14

Family

ID=10315456

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BG030520A BG32113A3 (en)	1974-07-12	1975-07-11	Metod for obtaining of maleinamic anhydrid

Country Status (28)

Country	Link
US (1)	US4009186A (fi)
JP (1)	JPS5927348B2 (fi)
AR (1)	AR205391A1 (fi)
AT (1)	AT339876B (fi)
BE (1)	BE831186A (fi)
BG (1)	BG32113A3 (fi)
BR (1)	BR7504373A (fi)
CA (1)	CA1054619A (fi)
CH (1)	CH596199A5 (fi)
CS (1)	CS191270B2 (fi)
DD (1)	DD118603A5 (fi)
DE (1)	DE2530895C2 (fi)
EG (1)	EG11702A (fi)
ES (1)	ES439296A1 (fi)
FI (1)	FI751998A (fi)
FR (1)	FR2277833A1 (fi)
GB (1)	GB1456101A (fi)
HU (1)	HU176340B (fi)
IN (1)	IN143557B (fi)
IT (1)	IT1040892B (fi)
NL (1)	NL7508190A (fi)
PL (1)	PL100946B1 (fi)
RO (1)	RO68185A (fi)
SE (1)	SE423995B (fi)
SU (1)	SU923364A3 (fi)
TR (1)	TR18323A (fi)
YU (1)	YU36716B (fi)
ZA (1)	ZA754417B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01279130A (ja) *	1988-04-28	1989-11-09	Nippon Cable Syst Inc	コントロールケーブル系の防振装置
JPH01279132A (ja) *	1988-04-28	1989-11-09	Nippon Cable Syst Inc	コントロールケーブル系の防振装置
IT1253698B (it) *	1990-05-31	1995-08-23	Sisas Spa	Procedimento per il recupero di anidride maleica da miscele di reazione
JP5645540B2 (ja) *	2010-08-19	2014-12-24	住友精化株式会社	スルホラン系化合物の取扱方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3891680A (en) *	1972-11-29	1975-06-24	Chevron Res	Maleic anhydride recovery using nonaqueous medium

1974
- 1974-07-12 GB GB3093874A patent/GB1456101A/en not_active Expired
1975
- 1975-01-01 AR AR259534A patent/AR205391A1/es active
- 1975-07-05 EG EG387/75A patent/EG11702A/xx active
- 1975-07-09 NL NL7508190A patent/NL7508190A/xx not_active Application Discontinuation
- 1975-07-09 FI FI751998A patent/FI751998A/fi not_active Application Discontinuation
- 1975-07-09 SE SE7507865A patent/SE423995B/xx unknown
- 1975-07-10 US US05/594,672 patent/US4009186A/en not_active Expired - Lifetime
- 1975-07-10 HU HU75UE67A patent/HU176340B/hu unknown
- 1975-07-10 BR BR7504373*A patent/BR7504373A/pt unknown
- 1975-07-10 AT AT533775A patent/AT339876B/de active
- 1975-07-10 TR TR18323A patent/TR18323A/xx unknown
- 1975-07-10 ES ES439296A patent/ES439296A1/es not_active Expired
- 1975-07-10 CS CS754918A patent/CS191270B2/cs unknown
- 1975-07-10 PL PL1975181948A patent/PL100946B1/pl unknown
- 1975-07-10 BE BE1006779A patent/BE831186A/xx not_active IP Right Cessation
- 1975-07-10 CH CH901775A patent/CH596199A5/xx not_active IP Right Cessation
- 1975-07-10 DE DE2530895A patent/DE2530895C2/de not_active Expired
- 1975-07-10 CA CA231175A patent/CA1054619A/en not_active Expired
- 1975-07-10 ZA ZA754417A patent/ZA754417B/xx unknown
- 1975-07-10 FR FR7522035A patent/FR2277833A1/fr active Granted
- 1975-07-10 IN IN1350/CAL/1975A patent/IN143557B/en unknown
- 1975-07-11 SU SU752152822A patent/SU923364A3/ru active
- 1975-07-11 BG BG030520A patent/BG32113A3/xx unknown
- 1975-07-11 JP JP50085210A patent/JPS5927348B2/ja not_active Expired
- 1975-07-11 IT IT50486/75A patent/IT1040892B/it active
- 1975-07-11 YU YU1770/75A patent/YU36716B/xx unknown
- 1975-07-11 RO RO7582835A patent/RO68185A/ro unknown
- 1975-07-14 DD DD187287A patent/DD118603A5/xx unknown

Also Published As

Publication number	Publication date
PL100946B1 (pl)	1978-11-30
CH596199A5 (fi)	1978-03-15
IN143557B (fi)	1977-12-24
ES439296A1 (es)	1977-03-01
FI751998A (fi)	1976-01-13
JPS5927348B2 (ja)	1984-07-05
CS191270B2 (en)	1979-06-29
US4009186A (en)	1977-02-22
TR18323A (tr)	1976-12-28
CA1054619A (en)	1979-05-15
DE2530895C2 (de)	1984-04-26
YU177075A (en)	1981-11-13
FR2277833A1 (fr)	1976-02-06
GB1456101A (en)	1976-11-17
HU176340B (en)	1981-01-28
ZA754417B (en)	1976-11-24
JPS5132515A (en)	1976-03-19
SE423995B (sv)	1982-06-21
RO68185A (ro)	1981-07-30
IT1040892B (it)	1979-12-20
AT339876B (de)	1977-11-10
YU36716B (en)	1984-08-31
EG11702A (en)	1978-03-29
FR2277833B1 (fi)	1977-12-09
NL7508190A (nl)	1976-01-14
DE2530895A1 (de)	1976-01-29
AU8293275A (en)	1977-01-13
SE7507865L (sv)	1976-01-13
ATA533775A (de)	1977-03-15
DD118603A5 (fi)	1976-03-12
BE831186A (fr)	1976-01-12
AR205391A1 (es)	1976-04-30
BR7504373A (pt)	1976-07-06
SU923364A3 (ru)	1982-04-23

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