IT1066787B - Procedimento ed apparecchiatura per dealchilare fenoli terz.alchil sostituiti - Google Patents

Procedimento ed apparecchiatura per dealchilare fenoli terz.alchil sostituiti

Info

Publication number: IT1066787B
Authority: IT; Italy
Prior art keywords: dealking; procedure; equipment; alkyl phenols; replaced
Prior art date: 1975-12-05

Application number

IT52456/76A

Other languages

English (en)

Original Assignee

Bayer 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.)

1975-12-05

Filing date

1976-12-03

Publication date

1985-03-12

1976-12-03 Application filed by Bayer Ag filed Critical Bayer Ag

1985-03-12 Application granted granted Critical

1985-03-12 Publication of IT1066787B publication Critical patent/IT1066787B/it

Links

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
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
- 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)

IT52456/76A 1975-12-05 1976-12-03 Procedimento ed apparecchiatura per dealchilare fenoli terz.alchil sostituiti IT1066787B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2554702A DE2554702C3 (de)	1975-12-05	1975-12-05	Verfahren zur Herstellung von m- und/oder p-Kresol durch katalytische Entalkylierung von tert.-alkyl-substituierten Phenolen

Publications (1)

Publication Number	Publication Date
IT1066787B true IT1066787B (it)	1985-03-12

Family

ID=5963527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT52456/76A IT1066787B (it)	1975-12-05	1976-12-03	Procedimento ed apparecchiatura per dealchilare fenoli terz.alchil sostituiti

Country Status (8)

Country	Link
US (1)	US4150243A (it)
JP (1)	JPS5819650B2 (it)
BE (1)	BE849025A (it)
DE (1)	DE2554702C3 (it)
FR (1)	FR2333766A1 (it)
GB (1)	GB1499288A (it)
IT (1)	IT1066787B (it)
NL (1)	NL183940C (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4487978A (en) *	1983-07-15	1984-12-11	Ici Americas Inc.	High yield process for preparing 4,4'-biphenol and tert-alkylated-alkylbenzenes
DE3461458D1 (en) *	1983-07-15	1987-01-15	Ici America Inc	High yield process for preparing 3,3',5,5'-tetraalkyl-4,4'-biphenol
JP2524594B2 (ja) *	1987-06-02	1996-08-14	三菱化学株式会社	高純度４，４′−ビフエノ−ル類の製造方法
US4888446A (en) *	1988-04-11	1989-12-19	Texaco Chemical Co.	Preparation of polyoxyalkylene glycol amines
EP3636819B1 (en)	2017-06-08	2022-11-09	Kuraray Kuraflex Co., Ltd.	Fiber structure, molded body and sound-absorbing material
JP2022524907A (ja)	2019-02-04	2022-05-11	チャイナ・ペトロリアム・アンド・ケミカル・コーポレーション	クレゾールを製造するための混合フェノールの脱アルキル化およびトランスアルキル化
CN115745749A (zh) *	2022-11-23	2023-03-07	江苏迈达新材料股份有限公司	一种重烷基酚的回收再利用方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2290603A (en) *	1939-12-27	1942-07-21	Gulf Research Development Co	Recovery of phenols and olefins
US2297588A (en) *	1942-03-07	1942-09-29	Gulf Research Development Co	Separation of phenols and alkylated products thereof
US2366497A (en) *	1943-02-08	1945-01-02	Standard Oil Dev Co	Dealkylation of alkylated phenols
US2497971A (en) *	1944-06-19	1950-02-21	Ici Ltd	Separation of phenols
FR1035779A (fr) *	1950-04-11	1953-08-31	Ici Ltd	Production de phénols
FR1346865A (fr) *	1963-02-12	1963-12-20	Ruetgerswerke Ag	Procédé pour transalcoyler des butyl tert. polyphénols
US3465048A (en) *	1966-03-08	1969-09-02	Sumitomo Chemical Co	Method for preparing 2,6-xylenol
NL6801850A (it) *	1967-02-15	1968-08-16
IL33439A (en) *	1968-12-04	1973-01-30	Hodogaya Chemical Co Ltd	Process for recovering m-alkylphenol from a mixture of alkylphenols
GB1370325A (en) *	1971-04-02	1974-10-16	Coalite Chemical Products Ltd	Separation of mixtures of phenols
JPS5145547B2 (it) *	1973-06-08	1976-12-04

1975
- 1975-12-05 DE DE2554702A patent/DE2554702C3/de not_active Expired
1976
- 1976-11-22 US US05/744,211 patent/US4150243A/en not_active Expired - Lifetime
- 1976-12-02 NL NLAANVRAGE7613449,A patent/NL183940C/xx not_active IP Right Cessation
- 1976-12-02 GB GB50302/76A patent/GB1499288A/en not_active Expired
- 1976-12-03 JP JP51144839A patent/JPS5819650B2/ja not_active Expired
- 1976-12-03 IT IT52456/76A patent/IT1066787B/it active
- 1976-12-03 BE BE2055506A patent/BE849025A/xx not_active IP Right Cessation
- 1976-12-03 FR FR7636609A patent/FR2333766A1/fr active Granted

Also Published As

Publication number	Publication date
NL7613449A (nl)	1977-06-07
JPS5819650B2 (ja)	1983-04-19
FR2333766B1 (it)	1983-02-04
GB1499288A (en)	1978-01-25
US4150243A (en)	1979-04-17
DE2554702A1 (de)	1977-06-08
DE2554702C3 (de)	1980-09-11
BE849025A (fr)	1977-06-03
NL183940B (nl)	1988-10-03
NL183940C (nl)	1989-03-01
DE2554702B2 (de)	1980-01-10
FR2333766A1 (fr)	1977-07-01
JPS5271422A (en)	1977-06-14

Publication	Publication Date	Title
NL7613755A (nl)	1977-06-14	Inhaleerinrichting.
NL7610641A (nl)	1977-03-31	Massagetoestel.
NL7606461A (nl)	1976-12-20	Pipetteerinrichting.
NL7606366A (nl)	1976-12-14	Transformator.
NL7800382A (nl)	1978-07-28	Materiaalbehandelingsinrichting.
NL7604872A (nl)	1976-11-16	Transformatorkoeling.
NL182538C (nl)	1988-04-05	Filterinrichting.
IT7819747A0 (it)	1978-01-27	Procedimento e apparecchiatura per identificare microorganismi.
NL7601592A (nl)	1976-08-24	Uitrichtinrichting voor kunstledematen.
NL7507443A (nl)	1976-12-27	Smeltspingarnituur.
NL7606714A (nl)	1976-12-29	Pipetteerinrichting.
NL7612746A (nl)	1977-05-20	Testapparaat.
DK85676A (da)	1976-09-28	Udstyr til grammofon
DK200376A (da)	1976-11-07	Punkterfrit dek
SE393734B (sv)	1977-05-23	Ystningsutrustning
DK500776A (da)	1977-05-08	Horeapparat
SE7601271L (sv)	1976-08-09	Betjeningsmedel for svarartade forhallanden
IT1067169B (it)	1985-03-12	Equipaggiamento radiogoniometrico
NL7606734A (nl)	1976-12-27	Speeltoestel.
NL7605052A (nl)	1976-11-17	Waterbehandelingsinrichting.
NL7613087A (nl)	1977-06-20	Transportmaterieel.
NL165709C (nl)	1981-05-15	Hijsinrichting.
NL7602798A (nl)	1976-09-28	Hefwerktuig.
NL7612619A (nl)	1977-05-16	Gietinrichting.
NL7601918A (nl)	1976-08-30	Speelwerktuig.