US5028593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuftsin analogs
Assignee: The University of Texas System
•
Filing: 1989-08-15
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Granted: 1991-07-02
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Expires: 2009-08-15
Abstract
Abstract The tuftsin analog Thr-Lys-Leu-Lys has been found to have biological activity superior to that of tuftsin itself.
Inventors
- 👤 Kenji Nishioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:01
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/10; C07K5/1002; C07K5/1005; C07K5/1013; A; A61; A61P; A61P31/00; A61P31/04; A61P31/12; A61P31/14; A61P31/18; A61P35/00; A61P37/00; A61P37/02; A61P37/04; C07K16/00; C07K16/06; C07K16/065; A61K; A61K38/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
13 words
A peptide having the amino acid sequence Thr-Lys-Leu-Lys and pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim
13 words
A peptide having the amino acid sequence Thr-Lys-Leu-Lys and pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim
13 words
A peptide having the amino acid sequence L-Thr-L-Lys-L-Leu-L-Lys and pharmaceutically acceptable salts thereof.
Claim 4
Dependent Claim
13 words
A peptide having the amino acid sequence L-Thr-L-Lys-L-Leu-L-Lys and pharmaceutically acceptable salts thereof.
Claim 5
Dependent Claim
29 words
A pharmaceutically composition, including: (a) a pharmaceutically effective amount of a peptide having the amino acid sequence Thr-Lys-Leu-Lys and pharmaceutically acceptable salts thereof; and (b) a pharmaceutically acceptable carrier.
Claim 6
Dependent Claim
29 words
A pharmaceutically composition, including: (a) a pharmaceutically effective amount of a peptide having the amino acid sequence Thr-Lys-Leu-Lys and pharmaceutically acceptable salts thereof; and (b) a pharmaceutically acceptable carrier.
Claim 7
Dependent Claim
12 words
The composition of claim 3, where the peptide has the sequence L-Thr-L-Lys-L-Leu-L-Lys.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-01 | 1994-12-31 | 1995-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-01 | 1998-12-31 | 1999-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-01 | 2002-12-31 | 2003-07-02 | $7700.00 | Window Closed / Lapsed |