US4353823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic analog of tuftisin
Assignee: Individual
•
Filing: 1981-09-01
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Granted: 1982-10-12
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Expires: 2001-09-01
Abstract
Abstract A synthetic analog of tuftisin, namely: glycyl-lysyl-prolyl-arginine of the formula: ##STR1## The synthetic analog of tuftisin according to the present invention has a high phagocytosis-stimulating activity when used in small doses.
Inventors
- 👤 Gunar I. Chipens
- 👤 Nadezhda I. Veretennikova
- 👤 Zeltite A. Atare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/10; C07K5/1002; C07K5/1005; C07K5/1008; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A synthetic analog of tuftisin, viz. glycyl-lysyl-prolyl-arginine of the formula: ##STR5##
Claim 2
Dependent Claim
11 words
A synthetic analog of tuftisin, viz. glycyl-lysyl-prolyl-arginine of the formula: ##STR5##
References Cited (Backward Citations)
SU784218A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-11 | 1986-04-12 | 1986-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-11 | 1990-04-12 | 1990-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-11 | 1994-04-12 | 1994-10-12 | $7700.00 | Window Closed / Lapsed |