GB1447201A - Method of purifying pyrethrum extract - Google Patents
Method of purifying pyrethrum extractInfo
- Publication number
- GB1447201A GB1447201A GB112775A GB112775A GB1447201A GB 1447201 A GB1447201 A GB 1447201A GB 112775 A GB112775 A GB 112775A GB 112775 A GB112775 A GB 112775A GB 1447201 A GB1447201 A GB 1447201A
- Authority
- GB
- United Kingdom
- Prior art keywords
- extract
- pyrethrum extract
- acetonitrile
- pyrethrum
- mineral spirits
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 229940048383 pyrethrum extract Drugs 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 abstract 9
- 238000004821 distillation Methods 0.000 abstract 3
- 239000012535 impurity Substances 0.000 abstract 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 3
- 239000011707 mineral Substances 0.000 abstract 3
- 235000015096 spirit Nutrition 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000007865 diluting Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000003209 petroleum derivative Substances 0.000 abstract 1
- 239000001993 wax Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/432,656 US3952047A (en) | 1974-01-11 | 1974-01-11 | Method of purifying pyrethrum extract |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1447201A true GB1447201A (en) | 1976-08-25 |
Family
ID=23717070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB112775A Expired GB1447201A (en) | 1974-01-11 | 1975-01-10 | Method of purifying pyrethrum extract |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3952047A (enExample) |
| FR (1) | FR2257679B3 (enExample) |
| GB (1) | GB1447201A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525455A (en) * | 1983-04-29 | 1985-06-25 | Regents Of The University Of Minnesota | Method for preparing a cell free homogenate of Chrysanthemum cinerariaefolium (Trev.) Bocc. containing enzymes and methods of use |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3042706A (en) * | 1960-01-22 | 1962-07-03 | S B Penick And Company | Process for purifying pyrethrum extracts |
-
1974
- 1974-01-11 US US05/432,656 patent/US3952047A/en not_active Expired - Lifetime
-
1975
- 1975-01-10 GB GB112775A patent/GB1447201A/en not_active Expired
- 1975-01-10 FR FR7500703A patent/FR2257679B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2257679B3 (enExample) | 1977-09-30 |
| FR2257679A1 (enExample) | 1975-08-08 |
| US3952047A (en) | 1976-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |