US3033754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tablets containing hydrazine derivatives
Assignee: LAKESIDE LAB Inc
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Filing: 1959-12-21
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Granted: 1962-05-08
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Harold C Krahnke
- 👤 Wallace E Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:53
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28; A61K9/2806; A61K9/2833; A61K9/284; A61K9/2846; A61K31/00; A61K31/13; A61K31/15; A61K9/2004; A61K9/2013; A61K9/2018; A61K9/2022; A61K9/2027; A61K9/282; A61K9/2826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A UNIT DOSAGE TABLET CONTAINING A HYDRAZINE COMPOUND AS A THERAPEUTIC AGENT, MANITOL AND A COLLOIDALLY WATAER-SOLUBLE POLYMER OF ACRYLIC ACID CROSSLINKED WITH FROM ABOUT 0.75% TO 2.0% OF A POLYHYDROXY COMPOUND HAVING THE HYDROGEN ATOMS OF AT LEAST 3 OF THE HYDROXYL GROUPS REPLACED BY UNSATURATED ALIPHATIC RADICALS.
Claim 2
Dependent Claim
49 words
A UNIT DOSAGE TABLET CONTAINING A HYDRAZINE COMPOUND AS A THERAPEUTIC AGENT, MANITOL AND A COLLOIDALLY WATAER-SOLUBLE POLYMER OF ACRYLIC ACID CROSSLINKED WITH FROM ABOUT 0.75% TO 2.0% OF A POLYHYDROXY COMPOUND HAVING THE HYDROGEN ATOMS OF AT LEAST 3 OF THE HYDROXYL GROUPS REPLACED BY UNSATURATED ALIPHATIC RADICALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |