Patent US3910853A successfully refreshed from Google Patents.
US3910853A
Expired / Lapsed
US
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1,1,4,4-Tetra methyl-alkyl-nitriles-tetrahydronaphthalene perfume compositions
Assignee: Fritzsche Dodge and Olcott Inc
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Filing: 1974-07-29
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Granted: 1975-10-07
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Expires: 1994-07-29
Abstract
Abstract The 1,1,4,4-tetramethyl-alkyl-nitrile-tetrahydronaphthalenes and the perfume compositions containing them have striking odor intensities of high tenacity resembling the odors of natural musk. They do not discolor when applied as perfume material per se or when utilized in combination with other aroma chemicals in cosmetics, soaps or household products.
Inventors
- 👤 Kurt Kulka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:55
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046; C11B9/0049; C11B9/0053
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
A COMPOSITION FOR USE IN PERFUMES COMPRISING AT LEAST 1/4 % BY WEIGHT OF A TETRAMETHYL-ALKYL-NITRILE-TETRAHYDRONAPHTHALENE AND AT LEAST 1% BY WEIGHT OF A COMPONENT WHICH MODIFIES THE OLFACTORY PROPERTIES OF SAID COMPOUND, SAID TETRAMETHYLALKYL-NITRILE-TETRAHYDRONAPTHALENE HAVING THE FORMULA:
Claim 2
Dependent Claim
38 words
A COMPOSITION FOR USE IN PERFUMES COMPRISING AT LEAST 1/4 % BY WEIGHT OF A TETRAMETHYL-ALKYL-NITRILE-TETRAHYDRONAPHTHALENE AND AT LEAST 1% BY WEIGHT OF A COMPONENT WHICH MODIFIES THE OLFACTORY PROPERTIES OF SAID COMPOUND, SAID TETRAMETHYLALKYL-NITRILE-TETRAHYDRONAPTHALENE HAVING THE FORMULA:
Claim 3
Dependent Claim
13 words
A composition in accordance with claim 1 in which the compound is 1,1,4,4,6-pentamethyl-7-nitrile-tetrahydronaphthalene.
Claim 4
Dependent Claim
13 words
A composition in accordance with claim 1 in which the compound is 1,1,4,4-tetramethyl-6-ethyl-7-nitrile-tetrahydronaphthalene.
References Cited (Backward Citations)
US2800511A
Cited
US3769348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |