Patent US3975309A successfully refreshed from Google Patents.
US3975309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2,4-Dihydroxy-3-methyl-benzaldehyde perfume compositions
Assignee: Fritzsche Dodge and Olcott Inc
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Filing: 1975-06-26
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Granted: 1976-08-17
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Expires: 1995-06-26
Abstract
Abstract The effect of the characteristic odor note of Oak Moss in the combination of components in perfume compositions can be achieved by substituting 2,4-dihydroxy-3-methyl-benzaldehyde, produced in a one step synthesis from readily available material, for Oak Moss which is available only in limited quantities at high cost.
Inventors
- 👤 Kurt Kulka
- 👤 Teodosij Zazula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:08
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0061
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
25 words
A perfume composition comprising at least 1% by weight of 2,4-dihydroxy-3-methyl benzaldehyde and at least 1% by weight of one or more other perfume components.
Claim 2
Dependent Claim
25 words
A perfume composition comprising at least 1% by weight of 2,4-dihydroxy-3-methyl benzaldehyde and at least 1% by weight of one or more other perfume components.
Claim 3
Dependent Claim
21 words
A perfume composition of claim 1 in which the 2,4-dihydroxy-3-methyl benzaldehyde comprises 0.1 to 15% by weight of the perfume composition.
Claim 4
Dependent Claim
21 words
A perfume composition of claim 1 in which the 2,4-dihydroxy-3-methyl benzaldehyde comprises 0.5 to 10% by weight of the perfume composition.
Claim 5
Dependent Claim
21 words
A perfume composition of claim 1 in which the 2,4-dihydroxy-3-methyl benzaldehyde comprises 1 to 9% by weight of the perfume composition.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |