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 15:57
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.
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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) | 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 |