NO146278C - Fremgangsmaate til fremstilling av kvadratsyre - Google Patents

Fremgangsmaate til fremstilling av kvadratsyre

Info

Publication number: NO146278C
Authority: NO; Norway
Prior art keywords: procedure; preparation; square acid; square; acid
Prior art date: 1976-05-28

Application number

NO771871A

Other languages

English (en)

Other versions

NO146278B (no

NO771871L (no

Inventor

Manfred Schroeder

Wolfgang Schaefer

Original Assignee

Huels Chemische Werke Ag

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.)

1976-05-28

Filing date

1977-05-27

Publication date

1982-09-01

1977-05-27 Application filed by Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag

1977-11-29 Publication of NO771871L publication Critical patent/NO771871L/no

1982-05-24 Publication of NO146278B publication Critical patent/NO146278B/no

1982-09-01 Publication of NO146278C publication Critical patent/NO146278C/no

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
- C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
- C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Steroid Compounds (AREA)

NO771871A 1976-05-28 1977-05-27 Fremgangsmaate til fremstilling av kvadratsyre NO146278C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2623836A DE2623836C3 (de)	1976-05-28	1976-05-28	Verfahren zur Herstellung von Quadratsäure

Publications (3)

Publication Number	Publication Date
NO771871L NO771871L (no)	1977-11-29
NO146278B NO146278B (no)	1982-05-24
NO146278C true NO146278C (no)	1982-09-01

Family

ID=5979159

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO771871A NO146278C (no)	1976-05-28	1977-05-27	Fremgangsmaate til fremstilling av kvadratsyre

Country Status (19)

Country	Link
US (1)	US4097530A (no)
JP (1)	JPS52148046A (no)
AT (1)	AT349445B (no)
AU (1)	AU502227B2 (no)
BE (1)	BE855165A (no)
BR (1)	BR7703445A (no)
CA (1)	CA1075717A (no)
CH (1)	CH629469A5 (no)
CS (1)	CS193095B2 (no)
DD (1)	DD129774A1 (no)
DE (1)	DE2623836C3 (no)
DK (1)	DK236677A (no)
FR (1)	FR2352778A1 (no)
GB (1)	GB1574500A (no)
IT (1)	IT1079672B (no)
NL (1)	NL7705890A (no)
NO (1)	NO146278C (no)
SE (1)	SE421787B (no)
SU (1)	SU645549A3 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2810398C2 (de) *	1978-03-10	1983-08-25	Chemische Werke Hüls AG, 4370 Marl	Verfahren zur Herstellung von Tetrachlorcyclobutenon aus Hexachlorcyclobuten
DE2824558C3 (de) *	1978-06-05	1981-07-09	Chemische Werke Hüls AG, 4370 Marl	Verfahren zur Herstellung von Quadratsäure
DE3314431A1 (de) *	1983-04-21	1984-10-25	Chemische Werke Hüls AG, 4370 Marl	Verfahren zur herstellung von quadratsaeure
US4508803A (en) *	1983-12-05	1985-04-02	Xerox Corporation	Photoconductive devices containing novel benzyl fluorinated squaraine compositions
IE64516B1 (en) *	1990-02-12	1995-08-09	Lonza Ag	A process for the preparation of quadratic acid
IE65907B1 (en) *	1990-02-26	1995-11-29	Lonza Ag	New 3-hydroxy-2-cyclobuten-1-one salts their preparation and use
JP3807984B2 (ja) *	1999-11-30	2006-08-09	エレクトリックパワーリサーチインスティテュート	毛管電気泳動プローブ及びそれを用いる方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1404928A (fr) *	1963-08-24	1965-07-02	Huels Chemische Werke Ag	Procédé de préparation du dicéto-cyclobutène-diol
DE1253266B (de) *	1963-08-24	1967-11-02	Huels Chemische Werke Ag	Verfahren zur Herstellung von Dioxocyclobutendiol
BE786650A (fr) *	1971-07-24	1973-01-24	Ercoli Raffaele	Procede de preparation de l'acide squarique

1976
- 1976-05-28 DE DE2623836A patent/DE2623836C3/de not_active Expired
1977
- 1977-03-21 AU AU23433/77A patent/AU502227B2/en not_active Expired
- 1977-05-13 FR FR7714676A patent/FR2352778A1/fr active Granted
- 1977-05-19 US US05/798,546 patent/US4097530A/en not_active Expired - Lifetime
- 1977-05-23 SU SU772483402A patent/SU645549A3/ru active
- 1977-05-25 CS CS773457A patent/CS193095B2/cs unknown
- 1977-05-25 CA CA279,130A patent/CA1075717A/en not_active Expired
- 1977-05-26 CH CH651977A patent/CH629469A5/de not_active IP Right Cessation
- 1977-05-26 AT AT377177A patent/AT349445B/de not_active IP Right Cessation
- 1977-05-26 IT IT49563/77A patent/IT1079672B/it active
- 1977-05-27 BR BR7703445A patent/BR7703445A/pt unknown
- 1977-05-27 GB GB22451/77A patent/GB1574500A/en not_active Expired
- 1977-05-27 DD DD7700199184A patent/DD129774A1/xx unknown
- 1977-05-27 BE BE178018A patent/BE855165A/xx unknown
- 1977-05-27 NL NL7705890A patent/NL7705890A/xx not_active Application Discontinuation
- 1977-05-27 DK DK236677A patent/DK236677A/da not_active Application Discontinuation
- 1977-05-27 NO NO771871A patent/NO146278C/no unknown
- 1977-05-27 JP JP6128877A patent/JPS52148046A/ja active Pending
- 1977-05-27 SE SE7706262A patent/SE421787B/xx unknown

Also Published As

Publication number	Publication date
DE2623836A1 (de)	1977-12-01
ATA377177A (de)	1978-09-15
DE2623836C3 (de)	1978-12-21
BR7703445A (pt)	1978-02-28
NO146278B (no)	1982-05-24
US4097530A (en)	1978-06-27
AU2343377A (en)	1978-09-28
SU645549A3 (ru)	1979-01-30
CH629469A5 (de)	1982-04-30
JPS52148046A (en)	1977-12-08
CS193095B2 (en)	1979-09-17
AT349445B (de)	1979-04-10
IT1079672B (it)	1985-05-13
FR2352778B1 (no)	1980-07-25
NL7705890A (nl)	1977-11-30
DD129774A1 (de)	1978-02-08
FR2352778A1 (fr)	1977-12-23
BE855165A (fr)	1977-11-28
CA1075717A (en)	1980-04-15
NO771871L (no)	1977-11-29
AU502227B2 (en)	1979-07-19
GB1574500A (en)	1980-09-10
DK236677A (da)	1977-11-29
SE7706262L (sv)	1977-11-29
SE421787B (sv)	1982-02-01
DE2623836B2 (de)	1978-04-27

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