NL158774C - - Google Patents
Info
- Publication number
- NL158774C NL158774C NL7202520A NL7202520A NL158774C NL 158774 C NL158774 C NL 158774C NL 7202520 A NL7202520 A NL 7202520A NL 7202520 A NL7202520 A NL 7202520A NL 158774 C NL158774 C NL 158774C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C35/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C35/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring monocyclic
- C07C35/08—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring monocyclic containing a six-membered rings
- C07C35/12—Menthol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712109456 DE2109456C3 (de) | 1971-02-27 | Verfahren zur Abtrennung von optisch reinem d- und I-Menthol | |
| DE19722204771 DE2204771C3 (de) | 1972-02-02 | 1972-02-02 | Verfahren zur Abtrennung von optisch reinem d- und l-Neo- oder Isomenthol |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7202520A NL7202520A (it) | 1972-08-29 |
| NL158774B NL158774B (nl) | 1978-12-15 |
| NL158774C true NL158774C (it) | 1978-12-15 |
Family
ID=25760737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7202520A NL158774B (nl) | 1971-02-27 | 1972-02-25 | Werkwijze voor het scheiden van mengsels uit d- en 1-isomeren van menthol, neomenthol en isomenthol in de optisch actieve d- en 1-isomeren. |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS523375B1 (it) |
| BE (1) | BE779888A (it) |
| CA (1) | CA976986A (it) |
| CH (1) | CH560660A5 (it) |
| FR (1) | FR2126445B1 (it) |
| GB (1) | GB1369714A (it) |
| IT (1) | IT951071B (it) |
| NL (1) | NL158774B (it) |
| PL (1) | PL85126B1 (it) |
| SU (1) | SU432710A3 (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2280681B (en) * | 1993-08-06 | 1998-03-11 | Merck Patent Gmbh | Thermochromic media |
| CN111991834B (zh) * | 2020-09-08 | 2021-11-16 | 安徽银丰药业股份有限公司 | 一种薄荷脑加工用结晶桶 |
| CN115057905B (zh) * | 2022-07-13 | 2023-09-08 | 中国科学院上海药物研究所 | L-薄荷醇与胆固醇的共晶、其制备方法及应用 |
-
1972
- 1972-02-22 CH CH251072A patent/CH560660A5/xx not_active IP Right Cessation
- 1972-02-24 SU SU1752092A patent/SU432710A3/ru active
- 1972-02-25 NL NL7202520A patent/NL158774B/xx not_active IP Right Cessation
- 1972-02-25 CA CA135,554A patent/CA976986A/en not_active Expired
- 1972-02-25 FR FR7206572A patent/FR2126445B1/fr not_active Expired
- 1972-02-25 IT IT4856072A patent/IT951071B/it active
- 1972-02-25 GB GB885772A patent/GB1369714A/en not_active Expired
- 1972-02-25 BE BE779888A patent/BE779888A/xx not_active IP Right Cessation
- 1972-02-26 PL PL15370472A patent/PL85126B1/pl unknown
- 1972-02-26 JP JP1938272A patent/JPS523375B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL158774B (nl) | 1978-12-15 |
| FR2126445A1 (it) | 1972-10-06 |
| PL85126B1 (it) | 1976-04-30 |
| FR2126445B1 (it) | 1976-07-23 |
| CH560660A5 (it) | 1975-04-15 |
| JPS523375B1 (it) | 1977-01-27 |
| GB1369714A (en) | 1974-10-09 |
| NL7202520A (it) | 1972-08-29 |
| IT951071B (it) | 1973-06-30 |
| CA976986A (en) | 1975-10-28 |
| SU432710A3 (ru) | 1974-06-15 |
| BE779888A (fr) | 1972-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HAARMANN |
|
| V4 | Lapsed because of reaching the maxim lifetime of a patent |