US3886134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analogues of angiotensin II
Assignee: ATK Launch Systems LLC
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Filing: 1970-06-04
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Granted: 1975-05-27
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Expires: 1990-06-04
Abstract
Abstract Novel hepta- and octapeptides of the formula: WHEREIN R is hydrogen, succinyl, L-aspartyl, L-sarcosyl, Lseryl, succinamyl, or D- or L-asparaginyl and R1 is an L-alanine, L- or D-leucine, glycine or L-isoleucine residue upon intravenous infusion to animals inhibit blood pressure response to angiotensin amide.
Inventors
- 👤 Frank Sipos
- 👤 Donald T Pals
- 👤 George S Denning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:37
CPC Classifications
C; C07; C07K; C07K7/00; C07K7/04; C07K7/14; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
29 words
A PEPTIDE OF THE FORMULA: R-L-ARGINYL-L-VALYL-L-TYROSYL-L-VALYL-L-HISTIDYL-L-PROLYL-R1 WHEREIN R IS HYDROGEN, SUCCINYL, L-ASPARTYL, SARCOSYL, LSERYL, SUCCINAMYL, OR D- OR L-ASPARAGINYL AND R1 IS LALANINE, L- OR D-LEUCINE, GLYCINE OR L-ISOLEUCINE.
Claim 2
Dependent Claim
29 words
A PEPTIDE OF THE FORMULA: R-L-ARGINYL-L-VALYL-L-TYROSYL-L-VALYL-L-HISTIDYL-L-PROLYL-R1 WHEREIN R IS HYDROGEN, SUCCINYL, L-ASPARTYL, SARCOSYL, LSERYL, SUCCINAMYL, OR D- OR L-ASPARAGINYL AND R1 IS LALANINE, L- OR D-LEUCINE, GLYCINE OR L-ISOLEUCINE.
Claim 3
Dependent Claim
13 words
The compound of claim 1 wherein R is hydrOgen and R1 is L-alanine.
Claim 4
Dependent Claim
13 words
The compound of claim 1 wherein R is L-asparaginyl and R1 is L-alanine.
Claim 5
Dependent Claim
13 words
The compound of claim 1 wherein R is D-asparaginyl and R1 is L-alanine.
Claim 6
Dependent Claim
13 words
The compound of claim 1 wherein R is L-asparaginyl and R1 is L-leucine.
Claim 7
Dependent Claim
13 words
The compound of claim 1 wherein R is D-asparaginyl and R1 is L-leucine.
Claim 8
Dependent Claim
13 words
The compound of claim 1 wherein R is L-aspartyl and R1 is L-alanine.
Claim 9
Dependent Claim
13 words
The compound of claim 1 wherein R is succinyl and R1 is L-alanine.
Claim 10
Dependent Claim
13 words
The compound of claim 1 wherein R is sarcosyl and R1 is L-alanine.
Claim 11
Dependent Claim
13 words
The compound of claim 1 wherein R is L-seryl and R1 is L-alanine.
Claim 12
Dependent Claim
13 words
The compound of claim 1 wherein R is L-asparaginyl and R1 is D-leucine.
Claim 13
Dependent Claim
13 words
The compound of claim 1 wherein R is succinamyl and R1 is L-alanine.
Claim 14
Dependent Claim
13 words
The compound of claim 1 wherein R is L-asparaginyl and R1 is glycine.
Claim 15
Dependent Claim
13 words
The compound of claim 1 wherein R is L-asparaginyl and R1 is L-isoleucine.
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) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |