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US4024188A Expired / Lapsed US ⏱️ 0.0 years remaining

Odorant

Assignee: Givaudan Roure Corp
•
Filing: 1975-11-03
•
Granted: 1977-05-17
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Expires: 1995-11-03
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Abstract

Abstract Novel compounds of formula <IMAGE> I wherein R1 represents a lower alkenyl group or R11, or taken together with R4 an oxo group; R11 represents hydrogen or a lower alkyl group; R2 represents hydrogen or a lower alkyl group; R3 represents methyl or methylene; R4 represents hydroxy or a loweralkoxy, lower alkenyloxy, loweralkoxy loweralkyl or acyloxy group and R5 represents hydrogen or, when simultaneously R3 represents methyl and R1 represents R11, taken together with R4 a 3 alpha ,6-epoxide group, and 1,8a-dihydro-derivatives of compounds of formula I wherein R3 represents methyl and R5 represents hydrogen.

Inventors

  • 👤 Peter Naegeli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:16
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/10

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 14 words
A compound of the formula ##STR19## wherein R 2 represents hydrogen or lower alkyl.
Claim 2
Dependent Claim 14 words
A compound of the formula ##STR19## wherein R 2 represents hydrogen or lower alkyl.
Claim 3
Dependent Claim 14 words
A compound of the formula ##STR20## wherein R 2 represents hydrogen or lower alkyl.
Claim 4
Dependent Claim 14 words
A compound of the formula ##STR20## wherein R 2 represents hydrogen or lower alkyl.

References Cited (Backward Citations)

US3658907A Cited
US3679750A Cited
US3681464A Cited
US3920747A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-05-16 1980-11-15 1981-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-05-16 1984-11-15 1985-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-05-16 1988-11-15 1989-05-17 $7700.00 Window Closed / Lapsed

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