NL164841C - PROCESS FOR PREPARING TRIMETHYL HYDROQUINONE - Google Patents
PROCESS FOR PREPARING TRIMETHYL HYDROQUINONEInfo
- Publication number
- NL164841C NL164841C NL7011586A NL7011586A NL164841C NL 164841 C NL164841 C NL 164841C NL 7011586 A NL7011586 A NL 7011586A NL 7011586 A NL7011586 A NL 7011586A NL 164841 C NL164841 C NL 164841C
- Authority
- NL
- Netherlands
- Prior art keywords
- trimethyl hydroquinone
- preparing trimethyl
- preparing
- hydroquinone
- trimethyl
- Prior art date
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
- C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
- C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691940386 DE1940386C3 (en) | 1969-08-08 | 1969-08-08 | Process for the production of trimethylhydroquinone |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7011586A NL7011586A (en) | 1971-02-10 |
NL164841B NL164841B (en) | 1980-09-15 |
NL164841C true NL164841C (en) | 1981-02-16 |
Family
ID=5742269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7011586A NL164841C (en) | 1969-08-08 | 1970-08-05 | PROCESS FOR PREPARING TRIMETHYL HYDROQUINONE |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5123487B1 (en) |
AT (1) | AT298453B (en) |
BE (1) | BE754559A (en) |
CH (1) | CH526491A (en) |
DE (1) | DE1940386C3 (en) |
FR (1) | FR2056752A5 (en) |
GB (1) | GB1314278A (en) |
NL (1) | NL164841C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2160599C3 (en) * | 1971-12-07 | 1975-01-30 | Ruetgerswerke Ag, 6000 Frankfurt | Process for the preparation of substituted hydroquinones, especially 2,3,5-trimethylhydroquinone |
US4046029A (en) * | 1976-09-10 | 1977-09-06 | Sundstrand Corporation | Hydromechanical transmission |
DE3404337A1 (en) * | 1984-02-08 | 1985-08-08 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING TRIMETHYL HYDROQUINONE |
EP4077259B1 (en) | 2019-12-19 | 2024-01-31 | DSM IP Assets B.V. | Formation of 2,3,5-trimethylhydroquinone from 2,3,6-trimethylphenol |
CN114829327A (en) | 2019-12-19 | 2022-07-29 | 帝斯曼知识产权资产管理有限公司 | Process for preparing hydroquinone |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2229573A (en) * | 1938-05-04 | 1941-01-21 | Merck & Co Inc | Process for the production of trimethylhydroquinones |
-
0
- BE BE754559D patent/BE754559A/en not_active IP Right Cessation
-
1969
- 1969-08-08 DE DE19691940386 patent/DE1940386C3/en not_active Expired
-
1970
- 1970-07-29 CH CH1144870A patent/CH526491A/en not_active IP Right Cessation
- 1970-08-05 NL NL7011586A patent/NL164841C/en not_active IP Right Cessation
- 1970-08-07 GB GB3817370A patent/GB1314278A/en not_active Expired
- 1970-08-07 JP JP6875970A patent/JPS5123487B1/ja active Pending
- 1970-08-07 FR FR7029294A patent/FR2056752A5/fr not_active Expired
- 1970-08-07 AT AT722170A patent/AT298453B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1314278A (en) | 1973-04-18 |
CH526491A (en) | 1972-08-15 |
BE754559A (en) | 1971-02-08 |
NL7011586A (en) | 1971-02-10 |
DE1940386A1 (en) | 1971-04-29 |
FR2056752A5 (en) | 1971-05-14 |
NL164841B (en) | 1980-09-15 |
AT298453B (en) | 1972-05-10 |
DE1940386B2 (en) | 1973-06-28 |
DE1940386C3 (en) | 1974-04-18 |
JPS5123487B1 (en) | 1976-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Lapsed because of reaching the maxim lifetime of a patent |