Patent US4426324A successfully refreshed from Google Patents.
US4426324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immunopotentiating peptides
Assignee: Hoffmann La Roche Inc
•
Filing: 1980-04-28
•
Granted: 1984-01-17
•
Expires: 2000-04-28
Abstract
Abstract Novel di-to heptapeptides representing fragments of the carboxyl terminal of thymosin alpha 1 are active as agents which affect regulation, differentiation and function of thymus dependent lymphocytes.
Inventors
- 👤 Johannes A. Meienhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:20
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/665; C07K14/695; C07K5/00; C07K5/04; C07K5/06; C07K5/06104; C07K5/08; C07K5/0802; C07K5/0804; C07K5/0806; C07K5/10; C07K5/1002; C07K5/1005; C07K5/1008; C07K5/1021; A; A61; A61K; A61K38/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/18; Y10S930/28
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
21 words
A compound of the formula X--Glu--Asn--OH where X is H, H--Ala--, H--Glu--Glu--Ala--, H--Val--Glu--Glu--Ala-- and H--Val--Val--Glu--Glu--Ala-- and the pharamaceutically acceptable salts thereof.
Claim 2
Dependent Claim
21 words
A compound of the formula X--Glu--Asn--OH where X is H, H--Ala--, H--Glu--Glu--Ala--, H--Val--Glu--Glu--Ala-- and H--Val--Val--Glu--Glu--Ala-- and the pharamaceutically acceptable salts thereof.
Claim 3
Dependent Claim
8 words
The compound of claim 1 which is H--Glu--Asn--OH.
Claim 4
Dependent Claim
8 words
The compound of claim 1 which is H--Ala--Glu--Asn--OH.
Claim 5
Dependent Claim
8 words
The compound of claim 1 which is H--Glu--Glu--Ala--Glu--Asn--OH.
Claim 6
Dependent Claim
8 words
The compound of claim 1 which is H--Val--Glu--Glu--Ala--Glu--Asn--OH.
Claim 7
Dependent Claim
8 words
The compound of claim 1 which is H--Val--Val--Glu--Glu--Ala--Glu--Asn--OH.
References Cited (Backward Citations)
US4148788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-16 | 1987-07-18 | 1988-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-16 | 1991-07-18 | 1992-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-16 | 1995-07-18 | 1996-01-17 | $7700.00 | Window Closed / Lapsed |