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US3843629A
Expired / Lapsed
US
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Complexs of polyriboinosinic acid and polyribo-2-thiocytidylic acid
Assignee: Merck Patent GmbH
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Filing: 1972-06-16
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Granted: 1974-10-22
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Expires: 1992-06-16
Abstract
Abstract Two-component complexes consisting of a polyriboinosinic acid of the formula WHEREIN M IS AN INTEGER FROM 1 TO 3, INCLUSIVE; AND N IS AN INTEGER FROM 1 TO 2,000, INCLUSIVE; AND THE METAL AND AMMONIUM SALTS THEREOF, EXHIBIT ANTIMICROBIAL, IN PARTICULAR ANTIVIRAL, ACTIVITY. WHEREIN K IS AN INTEGER FROM 1 TO 3, INCLUSIVE; AND B IS AN INTEGER FROM 1 TO 2,000, INCLUSIVE; AND THE METAL AND AMMONIUM SALTS THEREOF, AND A POLYRIBO-2-THIOCYTIDYLIC ACID OF THE FORMULA
Inventors
- 👤 K Scheit
- 👤 O Saiko
- 👤 P Faerber
- 👤 K Reuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:01
CPC Classifications
C; C07; C07H; C07H21/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
10 words
A TWO-COMPONENT CIMPLEX OF A POLYRIBOINOSINIC ACID OF THE FORMULA
Claim 2
Dependent Claim
10 words
A TWO-COMPONENT CIMPLEX OF A POLYRIBOINOSINIC ACID OF THE FORMULA
Claim 3
Dependent Claim
11 words
A two-component complex according to claim 1 wherein k is 1.
Claim 4
Dependent Claim
11 words
A two-component complex according to claim 1 wherein m is 1.
Claim 5
Dependent Claim
14 words
A two-component complex according to claim 1 wherein both k and m are 1.
Claim 6
Dependent Claim
13 words
A two-component complex according to claim 1 wherein b is greater than 10.
Claim 7
Dependent Claim
13 words
A two-component complex according to claim 1 wherein n is greater than 10.
Claim 8
Dependent Claim
13 words
A two-component complex according to claim 1 wherein b is greater tha 100.
Claim 9
Dependent Claim
13 words
A two-component complex according to claim 1 wherein n is greater than 100.
Claim 10
Dependent Claim
16 words
A two-component complex according to claim 1 wherein both b and n are greater than 100.
Claim 11
Dependent Claim
16 words
A two-component complex according to claim 4 wherein both b and n are greater than 10.
Claim 12
Dependent Claim
17 words
A two-component complex according to claim 4 wherein both of b and n are greater than 100.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |