Patent US3288183A successfully refreshed from Google Patents.
Patent US3008901A successfully refreshed from Google Patents.
US3008901A
Expired / Lapsed
US
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Preparation of stabilized fluid silicone compositions
Assignee: Individual
•
Filing: 1960-07-01
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Granted: 1961-11-14
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Hayward R Baker
- 👤 Curtis R Singleterry
- 👤 Ravner Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:11
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF STABILIZING LIQUID POLYSILOXANES OF THE GROUP CONSISTING OF LIQUID METHYL-, METHYLPHENYL AND METHYLMONOCHOROPHENYLPOLYSILOXANES WHICH COMPRISES FORMING A FLUID MIXTURE OF AT LEAST ONE MEMBER OF SAID GROUP OF LIQUID POLYSILOXANES WITH WHICH IS PRESENT HYDROGEN BONDED DIRECTLY TO SILICON TO THE EXTENT OF FROM .0003 TO LESS THAN ABOUT .034% BY WEIGHT WITH A SOLUTION IN A VOLATILE AROMATIC HYDROCARBON SOLVENT OF FROM ABOUT 0.2 TO 0.5% BY WEIGHT THEREON OF DISALICYLALPROPYLENEDIAMINECERIUM CHELATE AND AN AMOUNT OF DISALICYLALPROPYLENEDIAMINE WHICH IS FROM ABOUT TWO TO TEN TIMES THE WEIGHT OF SAID CERIUM CHELATE, BUBBLING AN OXYGEN-INERT GAS MIXTURE CONTAINING FROM ABOUT 20 TO 60% OXYGEN BY VOLUME INTO SAID FLUID MIXTURE WHILE HEATING IT A TEMPERATURE OF FROM ABOUT 280 TO 290*C. AND SWEEPING RESULTING VAPORS FROM THE VICINITY THEREOF UNTIL THE RESULTING FLUID IS FROM A STRAW- TO RED-AMBER IN COLOR.
Claim 2
Independent Claim
144 words
A METHOD OF STABILIZING LIQUID POLYSILOXANES OF THE GROUP CONSISTING OF LIQUID METHYL-, METHYLPHENYL AND METHYLMONOCHOROPHENYLPOLYSILOXANES WHICH COMPRISES FORMING A FLUID MIXTURE OF AT LEAST ONE MEMBER OF SAID GROUP OF LIQUID POLYSILOXANES WITH WHICH IS PRESENT HYDROGEN BONDED DIRECTLY TO SILICON TO THE EXTENT OF FROM .0003 TO LESS THAN ABOUT .034% BY WEIGHT WITH A SOLUTION IN A VOLATILE AROMATIC HYDROCARBON SOLVENT OF FROM ABOUT 0.2 TO 0.5% BY WEIGHT THEREON OF DISALICYLALPROPYLENEDIAMINECERIUM CHELATE AND AN AMOUNT OF DISALICYLALPROPYLENEDIAMINE WHICH IS FROM ABOUT TWO TO TEN TIMES THE WEIGHT OF SAID CERIUM CHELATE, BUBBLING AN OXYGEN-INERT GAS MIXTURE CONTAINING FROM ABOUT 20 TO 60% OXYGEN BY VOLUME INTO SAID FLUID MIXTURE WHILE HEATING IT A TEMPERATURE OF FROM ABOUT 280 TO 290*C. AND SWEEPING RESULTING VAPORS FROM THE VICINITY THEREOF UNTIL THE RESULTING FLUID IS FROM A STRAW- TO RED-AMBER IN COLOR.
References Cited (Backward Citations)
US2465296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |