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Patent US2723972A successfully refreshed from Google Patents.
US2723972A
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Homocysteinyl heterodipeptides
Assignee: EIDP Inc
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Filing: 1954-04-28
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Granted: 1955-11-15
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Expires: 1974-04-28
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Herrick
- 👤 Charles W Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:56
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/06; C07K5/06104; C07K5/06008; C07K5/06017; C07K5/0606; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A DIPEPTIDE OF HOMOCYSTEINE WITH A NATURALLY OCCURRING OPEN CHAIN A-AMINO ALKANE CARBOXYLIC ACID.
Claim 2
Dependent Claim
14 words
A DIPEPTIDE OF HOMOCYSTEINE WITH A NATURALLY OCCURRING OPEN CHAIN A-AMINO ALKANE CARBOXYLIC ACID.
References Cited (Backward Citations)
US2498665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |