NL154491B - Werkwijze voor de bereiding van 2,3,6-trimethylfenol. - Google Patents

Werkwijze voor de bereiding van 2,3,6-trimethylfenol.

Info

Publication number: NL154491B
Authority: NL; Netherlands
Prior art keywords: trimethylphenol; preparation
Prior art date: 1973-04-05

Application number

NL747402318A

Other languages

English (en)

Other versions

NL7402318A (nl

Original Assignee

Hoffmann La Roche

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.)

1973-04-05

Filing date

1974-02-20

Publication date

1977-09-15

1974-02-20 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1974-10-08 Publication of NL7402318A publication Critical patent/NL7402318A/xx

1977-09-15 Publication of NL154491B publication Critical patent/NL154491B/nl

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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/16—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

NL747402318A 1973-04-05 1974-02-20 Werkwijze voor de bereiding van 2,3,6-trimethylfenol. NL154491B (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH491873A CH573881A5 (nl)	1973-04-05	1973-04-05

Publications (2)

Publication Number	Publication Date
NL7402318A NL7402318A (nl)	1974-10-08
NL154491B true NL154491B (nl)	1977-09-15

Family

ID=4284799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL747402318A NL154491B (nl)	1973-04-05	1974-02-20	Werkwijze voor de bereiding van 2,3,6-trimethylfenol.

Country Status (15)

Country	Link
US (1)	US3937740A (nl)
JP (1)	JPS5246929B2 (nl)
AT (1)	AT338761B (nl)
BE (1)	BE813276A (nl)
CA (1)	CA1016188A (nl)
CH (1)	CH573881A5 (nl)
CS (1)	CS175373B2 (nl)
DD (1)	DD112428A5 (nl)
DE (1)	DE2415930C3 (nl)
FR (1)	FR2224432B1 (nl)
GB (1)	GB1428643A (nl)
HU (1)	HU169083B (nl)
IL (1)	IL44206A (nl)
NL (1)	NL154491B (nl)
ZA (1)	ZA741401B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4182490A (en) *	1978-02-13	1980-01-08	Nordson Corporation	Electrostatic spray gun
EP0032974A1 (en) *	1980-01-28	1981-08-05	Conoco Phillips Company	A method for the synthesis of 2,3,6-trimethylphenol
DE3524331A1 (de) *	1985-07-08	1987-01-08	Basf Ag	Verfahren zur gasphasenalkylierung von phenolen und hierzu geeigneter katalysator
CN102120185B (zh) *	2010-04-12	2013-06-12	上海海嘉诺医药发展股份有限公司	一种负载型固体催化剂及其制备和应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2448942A (en) *	1944-05-09	1948-09-07	Shell Dev	Alkylation of phenolic compounds
GB717588A (en) *	1951-10-01	1954-10-27	Ici Ltd	Improvements in and relating to the production of 2,6-xylenol
US3716589A (en) *	1968-11-27	1973-02-13	Agency Ind Science Techn	Process for the synthesis of 2,6-dimethylphenols
CA941386A (en) *	1970-06-02	1974-02-05	Arakawa Rinsan Kagaku Kogyo Kabushiki Kaisha	Ortho-methylation of a phenol

1973
- 1973-04-05 CH CH491873A patent/CH573881A5/xx not_active IP Right Cessation
1974
- 1974-02-14 IL IL44206A patent/IL44206A/en unknown
- 1974-02-20 NL NL747402318A patent/NL154491B/nl not_active IP Right Cessation
- 1974-03-04 ZA ZA00741401A patent/ZA741401B/xx unknown
- 1974-03-11 DD DD177094A patent/DD112428A5/xx unknown
- 1974-03-27 CA CA196,128A patent/CA1016188A/en not_active Expired
- 1974-03-27 CS CS2206A patent/CS175373B2/cs unknown
- 1974-03-28 US US05/455,821 patent/US3937740A/en not_active Expired - Lifetime
- 1974-04-01 HU HUHO1663A patent/HU169083B/hu unknown
- 1974-04-02 DE DE2415930A patent/DE2415930C3/de not_active Expired
- 1974-04-03 FR FR7411780A patent/FR2224432B1/fr not_active Expired
- 1974-04-03 JP JP49037039A patent/JPS5246929B2/ja not_active Expired
- 1974-04-04 GB GB1500674A patent/GB1428643A/en not_active Expired
- 1974-04-04 BE BE142820A patent/BE813276A/xx not_active IP Right Cessation
- 1974-04-04 AT AT280974A patent/AT338761B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DD112428A5 (nl)	1975-04-12
CH573881A5 (nl)	1976-03-31
IL44206A (en)	1976-06-30
HU169083B (nl)	1976-09-28
GB1428643A (en)	1976-03-17
JPS49127933A (nl)	1974-12-07
US3937740A (en)	1976-02-10
CS175373B2 (nl)	1977-05-31
DE2415930C3 (de)	1978-11-30
IL44206A0 (en)	1974-05-16
FR2224432B1 (nl)	1977-10-21
DE2415930B2 (de)	1978-04-06
DE2415930A1 (de)	1974-10-17
ATA280974A (de)	1977-01-15
JPS5246929B2 (nl)	1977-11-29
BE813276A (fr)	1974-10-04
CA1016188A (en)	1977-08-23
NL7402318A (nl)	1974-10-08
AT338761B (de)	1977-09-12
FR2224432A1 (nl)	1974-10-31
ZA741401B (en)	1975-02-26

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Legal Events

Date	Code	Title	Description
1989-12-18	SNR	Assignments of patents or rights arising from examined patent applications	Owner name: F. HOFFMANN-LA ROCHE AG
1990-10-16	V1	Lapsed because of non-payment of the annual fee
1994-02-28	NL80	Information provided on patent owner name for an already discontinued patent	Owner name: HOFFMANN