FI840692A - Foerfarandefoer framstaellning av dihydroxibenzen. - Google Patents

Foerfarandefoer framstaellning av dihydroxibenzen. Download PDF

Info

Publication number: FI840692A
Authority: FI; Finland
Prior art keywords: catalyst; ortho; hydrogen peroxide; water; employing
Prior art date: 1983-03-11

Application number

FI840692A

Other languages

English (en)

Other versions

FI840692A0 (fi

FI79292B (fi

FI79292C (fi

Inventor

Karlheinz Drauz

Axel Kleeman

Original Assignee

Degussa

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.)

1983-03-11

Filing date

1984-02-20

Publication date

1984-09-12

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6193214&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI840692(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1984-02-20 Application filed by Degussa filed Critical Degussa

1984-02-20 Publication of FI840692A0 publication Critical patent/FI840692A0/fi

1984-09-12 Publication of FI840692A publication Critical patent/FI840692A/fi

1989-08-31 Publication of FI79292B publication Critical patent/FI79292B/fi

1989-12-11 Application granted granted Critical

1989-12-11 Publication of FI79292C publication Critical patent/FI79292C/fi

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

FI840692A 1983-03-11 1984-02-20 Foerfarande foer framstaellning av ringhydroxileringsprodukter av fenoler eller fenoletrar. FI79292C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3308726		1983-03-11
DE3308726A DE3308726C2 (de)	1983-03-11	1983-03-11	Verfahren zur Herstellung von Dihydroxybenzolen

Publications (4)

Publication Number	Publication Date
FI840692A0 FI840692A0 (fi)	1984-02-20
FI840692A true FI840692A (fi)	1984-09-12
FI79292B FI79292B (fi)	1989-08-31
FI79292C FI79292C (fi)	1989-12-11

Family

ID=6193214

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI840692A FI79292C (fi)	1983-03-11	1984-02-20	Foerfarande foer framstaellning av ringhydroxileringsprodukter av fenoler eller fenoletrar.

Country Status (10)

Country	Link
US (2)	US4628126A (fi)
EP (1)	EP0121671B2 (fi)
JP (1)	JPS59170028A (fi)
AT (1)	ATE27263T1 (fi)
BR (1)	BR8400900A (fi)
CA (1)	CA1201451A (fi)
DE (2)	DE3308726C2 (fi)
ES (1)	ES8502074A1 (fi)
FI (1)	FI79292C (fi)
IL (1)	IL71038A (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3308737C2 (de) *	1983-03-11	1985-01-24	Degussa Ag, 6000 Frankfurt	Verfahren zur Herstellung von Brenzcatechin und Hydrochinon
DE3334854A1 (de) *	1983-09-27	1985-04-11	Degussa Ag, 6000 Frankfurt	Verfahren zur herstellung nichtwaessriger wasserstoffperoxidloesungen und deren verwendung
US4782071A (en) *	1986-11-03	1988-11-01	Warner-Lambert Company	Tetrasubstituted urea cholinergic agents
JPS63119432A (ja) *	1986-11-07	1988-05-24	Kureha Chem Ind Co Ltd	４，４′−ジヒドロキシビフエニルの製造方法
DE3643206C1 (de) *	1986-12-18	1988-03-24	Degussa	Verfahren zur Herstellung von substituierten Dihydroxybenzolen
FR2611711B1 (fr) *	1987-03-06	1989-06-09	Interox Sa	Procede pour la fabrication d'une 2,3-dihydroxyquinoxaline et 2,3-dihydroxyquinoxalines ainsi obtenues
JPH07108866B2 (ja) *	1987-03-27	1995-11-22	三井石油化学工業株式会社	ヒドロキシベンゼン類の製法
EP0558376B1 (fr) *	1992-02-26	1997-10-08	Rhone-Poulenc Chimie	Procédé de monohydroxylation de composés phénoliques

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2616791A (en) *	1950-09-30	1952-11-04	Glidden Co	Process for preparing selenium dioxide
FR1479354A (fr) *	1966-03-15	1967-05-05	Rhone Poulenc Sa	Procédé d'obtention de polyphénols
FR2071464A5 (fi) *	1969-12-30	1971-09-17	Rhone Poulenc Sa
JPS5111103B1 (fi) *	1970-12-30	1976-04-08
DE2138735A1 (de) *	1971-08-03	1973-03-01	Haarmann & Reimer Gmbh	Verfahren zur herstellung von polyhydroxybenzolen
IT964049B (it) *	1972-08-18	1974-01-21	Brichima Spa	Processo per la preparazione di difenoli
FR2201279B1 (fi) *	1972-09-28	1975-03-14	Rhone Poulenc Ind
DE2304602C3 (de) *	1973-01-31	1978-10-26	Quarzwerke Gmbh, 5020 Frechen	Verfahren zum Beschichten von Partikeln eines aus kristallinen siliciumhaltigen Mineralien durch Mahlen hergestellten Mehls mit siliciumorganischen Verbindungen und Vorrichtung zur Durchführung des Verfahrens
IT979201B (it) *	1973-02-16	1974-09-30	Brichima Spa	Processo per la preparazione di difenoli
US4174460A (en) *	1974-03-06	1979-11-13	Bayer Aktiengesellschaft	Process for the hydroxylation of phenols and phenol ethers in the nucleus
DE2410758C3 (de) *	1974-03-06	1981-01-08	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von mehrwertigen substituierten Phenolen bzw. Monoäthern mehrwertiger Phenole durch Kernhydroxylierung von Phenolen oder Phenoläthern
DE2410742C3 (de) *	1974-03-06	1981-01-08	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Brenzkatechin und Hydrochinon durch Kernhydroxylierung von Phenol
DE2658943C3 (de) *	1976-12-24	1982-02-18	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Brenzkatechin und Hydrochinon
DE3437624C1 (de) *	1984-10-13	1986-01-23	Degussa Ag, 6000 Frankfurt	Verfahren und Vorrichtung zur Bestimmung und Überwachung von Wasserstoffperoxid-Konzentrationen in Schwefelsäure-Wasserstoffperoxidgemischen
DE3602180A1 (de) *	1986-01-25	1987-07-30	Degussa	Verfahren zur herstellung von brenzkatechin und hydrochinon

1983
- 1983-03-11 DE DE3308726A patent/DE3308726C2/de not_active Expired - Lifetime
1984
- 1984-02-06 AT AT84101170T patent/ATE27263T1/de not_active IP Right Cessation
- 1984-02-06 DE DE8484101170T patent/DE3463759D1/de not_active Expired
- 1984-02-06 EP EP84101170A patent/EP0121671B2/de not_active Expired - Lifetime
- 1984-02-15 ES ES529730A patent/ES8502074A1/es not_active Expired
- 1984-02-20 FI FI840692A patent/FI79292C/fi not_active IP Right Cessation
- 1984-02-22 IL IL71038A patent/IL71038A/xx unknown
- 1984-02-27 BR BR8400900A patent/BR8400900A/pt not_active IP Right Cessation
- 1984-03-09 CA CA000449202A patent/CA1201451A/en not_active Expired
- 1984-03-09 JP JP59044225A patent/JPS59170028A/ja active Granted
- 1984-03-12 US US06/588,847 patent/US4628126A/en not_active Expired - Fee Related
- 1984-03-13 US US06/588,999 patent/US4551562A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0121671B1 (de)	1987-05-20
DE3308726A1 (de)	1984-09-13
FI840692A0 (fi)	1984-02-20
ATE27263T1 (de)	1987-06-15
FI79292B (fi)	1989-08-31
FI79292C (fi)	1989-12-11
EP0121671A2 (de)	1984-10-17
ES529730A0 (es)	1984-12-16
US4628126A (en)	1986-12-09
JPS59170028A (ja)	1984-09-26
DE3463759D1 (en)	1987-06-25
CA1201451A (en)	1986-03-04
EP0121671B2 (de)	1991-11-06
IL71038A0 (en)	1984-05-31
IL71038A (en)	1987-10-20
DE3308726C2 (de)	1991-01-24
BR8400900A (pt)	1984-10-16
US4551562A (en)	1985-11-05
EP0121671A3 (en)	1985-12-27
JPH0414657B2 (fi)	1992-03-13
ES8502074A1 (es)	1984-12-16

Publication	Publication Date	Title
JPS5271000A (en)	1977-06-13	Production of hydrogen peroxide
FI840692A (fi)	1984-09-12	Foerfarandefoer framstaellning av dihydroxibenzen.
JPS5323939A (en)	1978-03-06	Preparation of divalent phenols
IL71076A (en)	1987-10-30	Production of dihydroxybenzenes
FI840690A (fi)	1984-09-12	Foerfarande foer selektiv framstaellning av dihydrobenzen.
JPS5439032A (en)	1979-03-24	Oxydation of phenol
IL71075A (en)	1987-07-31	Production of pyrocatechol and hydroquinone
JPS5325504A (en)	1978-03-09	Isolation of glycols
JPS5640632A (en)	1981-04-16	Preparation of methylglyoxal
JPS52108914A (en)	1977-09-12	Preparation of hexafluoropropylene epoxide
JPS5339399A (en)	1978-04-11	Preparation of silicon polyme or oligomer
JPS52152898A (en)	1977-12-19	Production of hydroperoxides
JPS52134869A (en)	1977-11-11	Treatment of waste alkali solution
JPS5777636A (en)	1982-05-15	Preparation of glycerol
JPS55151530A (en)	1980-11-26	Preparation of 4-(4-hydroxyphenyl)-2-butanone
JPS5562032A (en)	1980-05-10	Preparation of hydroquinone
JPS5284202A (en)	1977-07-13	Operation of steam-reformer using methane as a raw material
JPS5532185A (en)	1980-03-06	Error check circuit for decode circuit

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: DEGUSSA AKTIENGESELLSCHAFT