NL7204953A - - Google Patents
Info
- Publication number
- NL7204953A NL7204953A NL7204953A NL7204953A NL7204953A NL 7204953 A NL7204953 A NL 7204953A NL 7204953 A NL7204953 A NL 7204953A NL 7204953 A NL7204953 A NL 7204953A NL 7204953 A NL7204953 A NL 7204953A
- Authority
- NL
- Netherlands
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
-
- 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
- C07C37/52—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 by splitting polyaromatic compounds, e.g. polyphenolalkanes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13487171A | 1971-04-16 | 1971-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7204953A true NL7204953A (en) | 1972-10-18 |
| NL154718B NL154718B (en) | 1977-10-17 |
Family
ID=22465392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL727204953A NL154718B (en) | 1971-04-16 | 1972-04-13 | PROCESS FOR PREPARING HYDROQUINONE BY OXIDATION OF A SUBSTITUTED PHENOL. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5136739B1 (en) |
| CH (1) | CH566947A5 (en) |
| DE (1) | DE2214971C3 (en) |
| FR (1) | FR2133720B1 (en) |
| GB (1) | GB1344602A (en) |
| NL (1) | NL154718B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4258219A (en) * | 1978-10-27 | 1981-03-24 | Mitsui Toatsu Chemicals, Inc. | Process for producing hydroquinone |
| WO2006038893A1 (en) * | 2004-10-06 | 2006-04-13 | Agency For Science, Technology And Research | Oxidation of phenolic compound with hydrogen peroxide generated in the presence of the phenolic compound |
| CN117843456A (en) * | 2023-12-14 | 2024-04-09 | 内蒙古源宏精细化工有限公司 | Synthesis method of hydroquinone |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1079464A (en) * | 1952-06-19 | 1954-11-30 | Rhone Poulenc Sa | New process for the preparation of hydroquinone |
| GB905594A (en) * | 1960-03-14 | 1962-09-12 | Precise Plastics Tottenham Ltd | Improvements relating to swimming jackets |
-
1972
- 1972-03-27 DE DE2214971A patent/DE2214971C3/en not_active Expired
- 1972-04-10 GB GB1643172A patent/GB1344602A/en not_active Expired
- 1972-04-10 CH CH525272A patent/CH566947A5/xx not_active IP Right Cessation
- 1972-04-13 NL NL727204953A patent/NL154718B/en not_active IP Right Cessation
- 1972-04-14 JP JP47037052A patent/JPS5136739B1/ja active Pending
- 1972-04-14 FR FR7213124A patent/FR2133720B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2214971C3 (en) | 1975-09-04 |
| CH566947A5 (en) | 1975-09-30 |
| JPS5136739B1 (en) | 1976-10-12 |
| FR2133720B1 (en) | 1977-07-22 |
| NL154718B (en) | 1977-10-17 |
| FR2133720A1 (en) | 1972-12-01 |
| DE2214971B2 (en) | 1975-01-16 |
| GB1344602A (en) | 1974-01-23 |
| DE2214971A1 (en) | 1972-11-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: THE DOW CHEMICAL COMPANY |
|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: UPJOHN |
|
| V4 | Lapsed because of reaching the maximum lifetime of a patent |