US3159539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble antiseptic agent
Assignee: Yardney International Corp
•
Filing: 1958-04-16
•
Granted: 1964-12-01
•
Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Meyer
- 👤 Horowitz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:11
CPC Classifications
C; C11; C11D; C11D1/00; A; A01; A01N; A01N59/00; A01N59/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A COMPOSITION OF MATTER ADAPTED TO BE APPLIED TO A LIVING SURFACE TO OBTAIN RELEASE OF AG+ IONS ON SAID SURFACE, COMPRISING A WATER-SOLUBLE SILVER SALT OF PARTIALLY DEPOLYMERIZED ALGINIC ACID HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF SUBSTANTIALLY 1,000 TO 5,000 AND A MELTING POINT IN THE RANGE OF 240* TO 265*C., AND A BASE MATERIAL SELECTED FROM THE GROUP WHICH CONSISTS OF SOAPS, COSMETICS AND PHARMACEUTICAL VEHICLES.
Claim 2
Dependent Claim
71 words
A COMPOSITION OF MATTER ADAPTED TO BE APPLIED TO A LIVING SURFACE TO OBTAIN RELEASE OF AG+ IONS ON SAID SURFACE, COMPRISING A WATER-SOLUBLE SILVER SALT OF PARTIALLY DEPOLYMERIZED ALGINIC ACID HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF SUBSTANTIALLY 1,000 TO 5,000 AND A MELTING POINT IN THE RANGE OF 240* TO 265*C., AND A BASE MATERIAL SELECTED FROM THE GROUP WHICH CONSISTS OF SOAPS, COSMETICS AND PHARMACEUTICAL VEHICLES.
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |