Patent US4582927A successfully refreshed from Google Patents.
US4582927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic cooking oils containing dicarboxylic acid esters
Assignee: Frito Lay North America Inc
•
Filing: 1984-04-04
•
Granted: 1986-04-15
•
Expires: 2004-04-04
Abstract
Abstract Diesters of the formula ##STR1## wherein R 1 and R 2 are hydrogen or alkyl of from 1 to about 20 carbon atoms, and X and Y are alkyl, alkenyl or dienyl of from about 12 to about 18 carbon atoms, useful as low calorie synthetic oils suitable for consumption by mammals.
Inventors
- 👤 John Fulcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:06
CPC Classifications
A; A23; A23D; A23D7/00; A23D7/015; C; C07; C07C; C07C69/00; C07C69/007; C07C69/34; C07C69/38
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
86 words
A diester of the formula ##STR4## wherein R 1 and R 2 , which may be the same or different, are hydrogen or alkyl from 1 to 20 carbon atoms, with the proviso that at least one of the R groups, R 1 or R 2 , is an alkyl of from 1 to 20 carbon atoms; X is an alkyl, alkenyl or dienyl radical from 12 to 18 carbon atoms, and Y is an alkenyl or dienyl radical of from 12 to 18 carbon atoms.
Claim 2
Dependent Claim
86 words
A diester of the formula ##STR4## wherein R 1 and R 2 , which may be the same or different, are hydrogen or alkyl from 1 to 20 carbon atoms, with the proviso that at least one of the R groups, R 1 or R 2 , is an alkyl of from 1 to 20 carbon atoms; X is an alkyl, alkenyl or dienyl radical from 12 to 18 carbon atoms, and Y is an alkenyl or dienyl radical of from 12 to 18 carbon atoms.
Claim 3
Dependent Claim
27 words
A diester as claimed in claim 1, wherein one of R 1 and R 2 is hydrogen and the other is an alkyl of 16 carbon atoms.
Claim 4
Dependent Claim
20 words
A diester as claimed in claim 1, wherein both R 1 and R 2 are alkyl of 16 carbon atoms.
Claim 5
Dependent Claim
24 words
A diestser as claimed in claim 1, wherein X and Y are both alkenyl or dienyl radicals having from 12 to 18 carbon atoms.
Claim 6
Dependent Claim
38 words
The diester of claim 4 wherein one of the groups R 1 and R 2 is hydrogen and the other is an alkyl of 16 carbon atoms and both X and Y are alkenyls of 18 carbon atoms.
Claim 7
Dependent Claim
37 words
A diester as claimed in claim 1, wherein both R 1 and R 2 are alkyl of 16 carbon atoms and X and Y are both alkenyl or dienyl radicals having from 12 to 18 carbon atoms.
Claim 8
Dependent Claim
15 words
The diester of claim 6 wherein X and Y are alkenyls of 18 carbon atoms.
Claim 9
Dependent Claim
4 words
The compound hexadecyl dioleylmalonate.
Claim 10
Dependent Claim
4 words
The compound hexadecyl dioleylmalonate.
Claim 11
Dependent Claim
4 words
The compound dihexadecyl dioleylmalonate.
Claim 12
Dependent Claim
4 words
The compound dihexadecyl dioleylmalonate.
Claim 13
Dependent Claim
67 words
A synthetic edible oil comprising one or more compounds of the formula ##STR5## wherein R 1 and R 2 , which may be the same or different, are hydrogen or alkyl of from 1 to 20 carbon atoms, X is an alkyl, alkenyl or dienyl radical of from 12 to 20 carbon atoms, and Y is an alkenyl or dienyl radical from 12 to 20 carbon atoms.
Claim 14
Dependent Claim
67 words
A synthetic edible oil comprising one or more compounds of the formula ##STR5## wherein R 1 and R 2 , which may be the same or different, are hydrogen or alkyl of from 1 to 20 carbon atoms, X is an alkyl, alkenyl or dienyl radical of from 12 to 20 carbon atoms, and Y is an alkenyl or dienyl radical from 12 to 20 carbon atoms.
Claim 15
Dependent Claim
13 words
A synthetic edible oil comprising a mixture of hexadecyl dioleylmalonate and dihexadecyl dioleylmalonate.
Claim 16
Dependent Claim
13 words
A synthetic edible oil comprising a mixture of hexadecyl dioleylmalonate and dihexadecyl dioleylmalonate.
References Cited (Backward Citations)
US2161213A
Cited
US2188874A
Cited
GB668796A
Cited
US2962419A
Cited
GB1162479A
Cited
US3600186A
Cited
US4247568A
Cited
US4034083A
Cited
US4049698A
Cited
JPS5482719A
Cited
CA1106681A
Cited
US4470421A
Cited
US4428887A
Cited
US4508746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |