US4156090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyene compounds
Assignee: Hoffmann La Roche Inc
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Filing: 1976-11-12
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Granted: 1979-05-22
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Expires: 1996-11-12
Abstract
Abstract 15,15'-Didehydro-astaxanthin and ester derivatives thereof useful as coloring agents and intermediates for astaxanthin and a method for preparing astaxanthin from keto α-isophorone and intermediates therein.
Inventors
- 👤 Frank Kienzle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:27
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/72; A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/47; C07C; C07C403/00; C07C403/06; C07C403/08; C07C403/14; C07C403/24; C07C45/00; C07C45/61; C07C45/67; C07C45/673; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/5428; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
21 words
A compound of the general formula ##STR15## wherein R 2 is acyloxy or hydroxy; and the dotted bond can be hydrogenated.
Claim 2
Dependent Claim
21 words
A compound of the general formula ##STR15## wherein R 2 is acyloxy or hydroxy; and the dotted bond can be hydrogenated.
Claim 3
Dependent Claim
10 words
The compound of claim 1 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4-(phenoxyacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-dien-1-al.
Claim 4
Dependent Claim
10 words
The compound of claim 1 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4(S)-(phenoxyacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4,-dien-1-al.
Claim 5
Dependent Claim
10 words
The compound of claim 1 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4-(monochloroacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-dien-1-al.
Claim 6
Dependent Claim
10 words
The compound of claim 1 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4(S)-(monochloroacetoxy)-cyclohex-1-en-1-yl)]-3-methyl-penta-2,4-dien-1-al.
Claim 7
Dependent Claim
26 words
A compound of the formula ##STR16## wherein R 2 is acyloxy group; X is aryl, and Y is an anion of an inorganic or organic acid.
Claim 8
Dependent Claim
26 words
A compound of the formula ##STR16## wherein R 2 is acyloxy group; X is aryl, and Y is an anion of an inorganic or organic acid.
Claim 9
Dependent Claim
11 words
The compound of claim 6 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4-(phenoxyacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-dien-1-triphenylphosphonium bromide.
Claim 10
Dependent Claim
11 words
The compound of claim 6 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4(S)-(phenoxyacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-dien-1-triphenylphosphonium bromide.
Claim 11
Dependent Claim
11 words
The compound of claim 6 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4-(monochloroacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-diene-1-triphenylphosphonium bromice.
Claim 12
Dependent Claim
11 words
The compound of claim 6 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4(S)-(monochloroacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-diene-1-triphenyl-phosphonium bromide.
Claim 13
Dependent Claim
6 words
A compound of the formula ##STR17##
Claim 14
Dependent Claim
6 words
A compound of the formula ##STR17##
Claim 15
Dependent Claim
11 words
A compound of the formula ##STR18## wherein R 2 is acyloxy.
Claim 16
Dependent Claim
11 words
A compound of the formula ##STR18## wherein R 2 is acyloxy.
Claim 17
Dependent Claim
10 words
The compound of claim 12 wherein said compound is 5-[2,6,6-trimethyl-3-oxo-4-(phenoxyacetoxy)-cyclohex-1-en-1-yl]-3-methyl-penta-2,4-dien-1-ol.
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) | 1982-05-21 | 1982-11-20 | 1983-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-21 | 1986-11-20 | 1987-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-21 | 1990-11-20 | 1991-05-22 | $7700.00 | Window Closed / Lapsed |