Patent US3896103A successfully refreshed from Google Patents.
US3896103A
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Acylated derivatives of trp-met-asp-phe-nh' 2'hardy; paul martin<kenner; george wallace<sheppard; robert charles<morley; john selwyn<macleod; john keith
Assignee: Imperial Chemical Industries Ltd
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Filing: 1965-06-07
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Granted: 1975-07-22
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Expires: 1985-06-07
Abstract
Abstract Acylated derivatives of L-tryptophanyl-L-methionyl-L-aspartyl-Lphenylalanine amide which are active in promoting the secretion of acidic gastric juice in mammals.
Inventors
- 👤 Paul Martin Hardy
- 👤 George Wallace Kenner
- 👤 Robert Charles Sheppard
- 👤 John Selwyn Morley
- 👤 John Keith Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:49
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/10; C07K5/1024; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
8 words
N-T-BUTYLOXYCARBONYL-L-ALANYL-L-PHENYLALANYL-LISOLEUCYLGLYCYL-L-TRYPTOPHANYL-L-METHIONYL-L-ASPARTYL-LPHENYLALANINE AMIDE AND THE ACID ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
8 words
N-T-BUTYLOXYCARBONYL-L-ALANYL-L-PHENYLALANYL-LISOLEUCYLGLYCYL-L-TRYPTOPHANYL-L-METHIONYL-L-ASPARTYL-LPHENYLALANINE AMIDE AND THE ACID ADDITION SALTS THEREOF.
Claim 3
Dependent Claim
8 words
N-Acetyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and the acid addition salts thereof.
Claim 4
Dependent Claim
8 words
N-Acetyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and the acid addition salts thereof.
Claim 5
Dependent Claim
10 words
N-t-Butyloxycarbonyl- Beta -alanyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and the acid addition salts thereof.
Claim 6
Dependent Claim
10 words
N-t-Butyloxycarbonyl- Beta -alanyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and the acid addition salts thereof.
Claim 7
Dependent Claim
10 words
N-Pivaloyl- Beta -alanyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and the acid addition salts thereof.
Claim 8
Dependent Claim
10 words
N-Pivaloyl- Beta -alanyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and the acid addition salts thereof.
Claim 9
Dependent Claim
7 words
N-Carbamoyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and acid addition salts thereof.
Claim 10
Dependent Claim
7 words
N-Carbamoyl-L-tryptophanyl-L-methionyl-L-aspartyl-L-phenylalanine amide and acid addition salts thereof.
References Cited (Backward Citations)
US3265682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-21 | 1979-01-20 | 1979-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-21 | 1983-01-20 | 1983-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-21 | 1987-01-20 | 1987-07-22 | $7700.00 | Window Closed / Lapsed |