US4426330A
Expired / Lapsed
US
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Synthetic phospholipid compounds
Assignee: ZONE ENTERPRISES Inc
•
Filing: 1981-07-20
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Granted: 1984-01-17
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Expires: 2001-07-20
Abstract
Abstract Novel synthetic phospholipid compounds, the compounds having the structural formula: ##STR1## where X is a hydrogen or alkyl group, n can vary from about 0 to 200, m can vary from 2 to 10, and R 1 and R 2 are saturated or unsaturated acyl radicals.
Inventors
- 👤 Barry D. Sears
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:51
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/10; A61K9/127; A61K9/1271; A61P; A61P9/00; A61P9/10; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/10; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/335; C08G65/3356
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
63 words
A phosphatidyl alkylene oxide compound having the structural formula: ##STR5## where R 1 and R 2 are hydrogen or C 2 -C 24 organic acyl radicals; R 3 is a C 2 -C 3 alkylene radical, X is hydrogen or an alkyl radical, n is a number of from 0 to about 200, and m is a number of from 2 to 10.
Claim 2
Dependent Claim
63 words
A phosphatidyl alkylene oxide compound having the structural formula: ##STR5## where R 1 and R 2 are hydrogen or C 2 -C 24 organic acyl radicals; R 3 is a C 2 -C 3 alkylene radical, X is hydrogen or an alkyl radical, n is a number of from 0 to about 200, and m is a number of from 2 to 10.
Claim 3
Dependent Claim
19 words
The compound of claim 1 wherein R 1 and R 2 are C 8 -C 20 fatty acid radicals.
Claim 4
Dependent Claim
16 words
The compound of claim 1 wherein n is a number of from about 10 to 100.
Claim 5
Dependent Claim
9 words
The compound of claim 1 wherein m is two.
Claim 6
Dependent Claim
11 words
The compound of claim 1 wherein X is a methyl radical.
Claim 7
Dependent Claim
12 words
The compound of claim 1 wherein R 3 is an ethylene radical.
Claim 8
Dependent Claim
28 words
The compound of claim 1 wherein X is hydrogen, R 3 is an ethylene radical, n is a number of from 10 to 100, and m is two.
Claim 9
Dependent Claim
18 words
The compound of claim 1 wherein the R 1 to R 2 radicals are derived from soy bean.
Claim 10
Dependent Claim
43 words
A phosphatidyl polyethylene oxide compound having the structural formula: ##STR6## wherein R 1 and R 2 are hydrogen or C 8 -C 20 fatty acid radicals, and n is a number from 0 to abouut 200, and X is hydrogen or alkyl group.
Claim 11
Dependent Claim
43 words
A phosphatidyl polyethylene oxide compound having the structural formula: ##STR6## wherein R 1 and R 2 are hydrogen or C 8 -C 20 fatty acid radicals, and n is a number from 0 to abouut 200, and X is hydrogen or alkyl group.
References Cited (Backward Citations)
US2310679A
Cited
US3085100A
Cited
US3577446A
Cited
US3542820A
Cited
US4159988A
Cited
US4016100A
Cited
US4086257A
Cited
DE2756866A1
Cited
SU727655A1
Cited
US4261911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-16 | 1987-07-18 | 1988-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-16 | 1991-07-18 | 1992-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-16 | 1995-07-18 | 1996-01-17 | $7700.00 | Window Closed / Lapsed |