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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
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Expires: 1978-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 Kebrich Leonard Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:49
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.

References Cited (Backward Citations)

US2075543A Cited
US2561044A Cited
US2542179A Cited
US2539362A Cited
US2723962A Cited
US2711401A Cited
US2716092A Cited
US2752319A Cited

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

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