US3002943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of fatty acid salts
Assignee: NL Industries Inc
•
Filing: 1958-10-23
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Granted: 1961-10-03
•
Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Kebrich Leonard Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:24
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A MIXTURE OF AT LEAST TWO BASIC LEAD SOAPS SUITABLE AS A STABILIZER IN RESIN COMPOSITIONS CONTAINING VINYL CHLORIDE, THE FATTY ACID RADICALS IN SAID MIXTURE BEING SELECTED FROM THE GROUP CONSISTING OF THE FATTY ACID RADICALS OF STEARIC ACID, PLAMITIC ACID AND OLEIC ACID, AND SAID SOAPS CONTAINING IN EXCESS OF ONE MOLE OF LEAD CALCULATED AS PBO FOR EACH TWO MOLS OF SAID FATTY ACID RADICALS CALCULATED AS THE FATTY ACIDS.
Claim 2
Dependent Claim
73 words
A MIXTURE OF AT LEAST TWO BASIC LEAD SOAPS SUITABLE AS A STABILIZER IN RESIN COMPOSITIONS CONTAINING VINYL CHLORIDE, THE FATTY ACID RADICALS IN SAID MIXTURE BEING SELECTED FROM THE GROUP CONSISTING OF THE FATTY ACID RADICALS OF STEARIC ACID, PLAMITIC ACID AND OLEIC ACID, AND SAID SOAPS CONTAINING IN EXCESS OF ONE MOLE OF LEAD CALCULATED AS PBO FOR EACH TWO MOLS OF SAID FATTY ACID RADICALS CALCULATED AS THE FATTY ACIDS.
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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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |