Patent US4668433A successfully refreshed from Google Patents.
US4668433A
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Novel derivatives of 6-hydroxyhexanoates as fragrance ingredients
Assignee: Givaudan SA
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Filing: 1985-10-03
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Granted: 1987-05-26
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Expires: 2005-10-03
Abstract
Abstract Compounds of the formula R2COO-(CH2)5-COOR1 wherein: R1 is a one to four carbon alkyl group or a two to three carbon alkenyl group, and R2 is hydrogen, a one to three carbon alkyl group, a two or three carbon alkenyl group, methoxy or ethoxy, and fragrance compositions containing them.
Inventors
- 👤 Paul A. Ochsner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:51
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0007; C11B9/0015; C11B9/0019; C07; C07C; C07C69/00; C07C69/66; C07C69/67; C07C69/96
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
55 words
A compound of the formula ##STR2## wherein: R 1 is chosen from the group consisting of alkyl radicals having one to four carbon atoms and alkenyl radicals having two to four carbon atoms, and R 2 is chosen from the group consisting of hydrogen, alkyl radicals having one to three carbon atoms, methoxy and ethoxy.
Claim 2
Dependent Claim
55 words
A compound of the formula ##STR2## wherein: R 1 is chosen from the group consisting of alkyl radicals having one to four carbon atoms and alkenyl radicals having two to four carbon atoms, and R 2 is chosen from the group consisting of hydrogen, alkyl radicals having one to three carbon atoms, methoxy and ethoxy.
Claim 3
Dependent Claim
27 words
A compound according to claim 1 wherein R 1 is methyl, ethyl, propyl, butyl or allyl, and R 2 is hydrogen, methyl, ethyl, propyl, butyl, or ethoxy.
Claim 4
Dependent Claim
13 words
A compound according to claim 2 wherein R 1 is ethyl or allyl.
Claim 5
Dependent Claim
16 words
A compound according to claim 3 wherein R 1 is ethyl and R 2 is methyl.
Claim 6
Dependent Claim
16 words
A compound according to claim 3 wherein R 1 is ethyl and R 2 is isopropyl.
Claim 7
Dependent Claim
16 words
A compound according to claim 3 wherein R 1 is allyl and R 2 is ethyl.
Claim 8
Dependent Claim
16 words
A compound according to claim 3 wherein R 1 is ethyl and R 2 is ethoxy.
Claim 9
Dependent Claim
72 words
A fragrance composition which comprises an olfactory effective amount of a compound of the formula ##STR3## wherein: R 1 is chosen from the group consisting of alkyl radicals having one to four carbon atoms and alkenyl radicals having two to four carbon atoms, and R 2 is chosen from the group consisting of hydrogen, alkyl radicals having one to three carbon atoms, methoxy and ethoxy and at least one other fragrance ingredient.
Claim 10
Dependent Claim
72 words
A fragrance composition which comprises an olfactory effective amount of a compound of the formula ##STR3## wherein: R 1 is chosen from the group consisting of alkyl radicals having one to four carbon atoms and alkenyl radicals having two to four carbon atoms, and R 2 is chosen from the group consisting of hydrogen, alkyl radicals having one to three carbon atoms, methoxy and ethoxy and at least one other fragrance ingredient.
Claim 11
Dependent Claim
27 words
A composition according to claim 8 wherein R 1 is methyl, ethyl, propyl, butyl or allyl, and R 2 is hydrogen, methyl, ethyl, propyl, butyl or ethoxy.
Claim 12
Dependent Claim
16 words
A composition according to claim 9 wherein R 1 is ethyl and R 2 is methyl.
Claim 13
Dependent Claim
16 words
A composition according to claim 9 wherein R 1 is ethyl and R 2 is isopropyl.
Claim 14
Dependent Claim
16 words
A composition according to claim 9 wherein R 1 is allyl and R 2 is ethyl.
Claim 15
Dependent Claim
16 words
A composition according to claim 9 wherein R 1 is ethyl and R 2 is ethoxy.
Claim 16
Independent Claim
75 words
A method for improving the odor of fragrance compositions wherein the improvement comprises adding thereto an olfactory effective amount of a compound of the formula ##STR4## wherein: R 1 is chosen from the group consisting of alkyl radicals having one to four carbon atoms and alkenyl radicals having two to four carbon atoms, and R 2 is chosen from the group consisting of hydrogen, alkyl radicals having one to three carbon atoms, methoxy and ethoxy.
Claim 17
Independent Claim
75 words
A method for improving the odor of fragrance compositions wherein the improvement comprises adding thereto an olfactory effective amount of a compound of the formula ##STR4## wherein: R 1 is chosen from the group consisting of alkyl radicals having one to four carbon atoms and alkenyl radicals having two to four carbon atoms, and R 2 is chosen from the group consisting of hydrogen, alkyl radicals having one to three carbon atoms, methoxy and ethoxy.
Claim 18
Dependent Claim
27 words
A method according to claim 14 wherein R 1 is methyl, ethyl, propyl, butyl or allyl, and R 2 is hydrogen, methyl, ethyl, propyl, butyl or ethoxy.
Claim 19
Dependent Claim
16 words
A method according to claim 15 wherein R 1 is ethyl and R 2 is methyl.
Claim 20
Dependent Claim
16 words
A method according to claim 15 wherein R 1 is ethyl and R 2 is isopropyl.
Claim 21
Dependent Claim
16 words
A method according to claim 15 wherein R 1 is allyl and R 2 is ethyl.
Claim 22
Dependent Claim
16 words
A method according to claim 15 wherein R 1 is ethyl and R 2 is ethoxy.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-25 | 1990-11-24 | 1991-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-25 | 1994-11-24 | 1995-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-25 | 1998-11-24 | 1999-05-26 | $7700.00 | Window Closed / Lapsed |