Patent US2874062A successfully refreshed from Google Patents.
US2874062A
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Process for the manufacture of stabilizer-plasticizer compositions
Assignee: NL Industries Inc
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Filing: 1955-08-22
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Granted: 1959-02-17
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Kebrich
- 👤 Alfred W Stroebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:01
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR PREPARING A FLUSHED PASTE HAVING HEAT STABILIZING PROPERTIES FOR RESINOUS COMPOSITION WHICH COMPRISES AGITATING AN AQUEOUS FILTER CAKE CONSISTING ESSENTIALLY OF A BASIC LEAD SALT OF A FATTY ACID HAVING FROM 6 TO 22 CARBON ATOMS AND WATER WITH A NEUTRAL, WATER-IMMISCIBLE LIQUID ORGANIC VEHICLE IN AMOUNT SUFFICIENT TO PERMIT COMPLETE DISPERSION OF THE SOLID PORTION OF SAID FILTER CAKE IN SAID VEHICLE, THEREBY DISPERSING SAID BASIC LEAD SALT IN SAID ORGANIC VEHICLE, AND SEPARATING THE WATER PORTION OF SAID AQUEOUS FILTER CAKE FROM SAID ORGANIC VEHICLE AND SAID BASIC LEAD SALT THEREIN DISPERSED.
Claim 2
Dependent Claim
97 words
A PROCESS FOR PREPARING A FLUSHED PASTE HAVING HEAT STABILIZING PROPERTIES FOR RESINOUS COMPOSITION WHICH COMPRISES AGITATING AN AQUEOUS FILTER CAKE CONSISTING ESSENTIALLY OF A BASIC LEAD SALT OF A FATTY ACID HAVING FROM 6 TO 22 CARBON ATOMS AND WATER WITH A NEUTRAL, WATER-IMMISCIBLE LIQUID ORGANIC VEHICLE IN AMOUNT SUFFICIENT TO PERMIT COMPLETE DISPERSION OF THE SOLID PORTION OF SAID FILTER CAKE IN SAID VEHICLE, THEREBY DISPERSING SAID BASIC LEAD SALT IN SAID ORGANIC VEHICLE, AND SEPARATING THE WATER PORTION OF SAID AQUEOUS FILTER CAKE FROM SAID ORGANIC VEHICLE AND SAID BASIC LEAD SALT THEREIN DISPERSED.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |