Patent US3317429A successfully refreshed from Google Patents.
US3317429A
Expired / Lapsed
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Antioxidation additives
Assignee: Dow Silicones Corp
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Filing: 1964-06-22
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Granted: 1967-05-02
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Cekada
- 👤 John W Van Dyke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:35
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C08K5/54; C10M2201/00; C10M2201/04; C10M2201/05; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10M2229/051; C10M2229/052; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A HEAT-STABLIZED FLUID CONSISTING ESSENTIALLY OF (1) FROM 95 TO 99.9 WEIGHT PERCENT OF A FLUID SELECTED FROM THE GROUP CONSISTING OF OXIDATION-RESISTANT ESTERS OF ALKANOIC ACIDS HAVING AT LEAST 5 CARBON ATOMS AND POLYHYDRIC ALCOHOLS CONTAINING AT LEAST TWO METHYLOL RADICALS BONDED TO A QUATERNARY CARBON ATOM, ESTERS OF TERTIARY ALKYL CARBINOLS HAVING A METHYLOL RADICAL ON A QUATERNARY CARBON ATOM AND HAVING FROM 5 TO 12 CARBON ATOMS AND DICARBOXYLIC ACIDS HAVING FROM 4 TO 12 CARBON ATOMS, AND SILOXANE FLUIDS OF THE FORMULA (RNSIO4-N/2)M WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION AND HALOHYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION, N HAS A VALUE OF 1.8 TO 3, AND M HAS A VALUE OF AT LEAST 2, (2) FROM 0.05 TO 3 WEIGHT PERCENT OF AN AMINE ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZINE, PHENYLAMINE AND NAPHTHYLAMINES, AND (3) FROM 0.05 TO 3 WEIGHT PERCENT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
164 words
A HEAT-STABLIZED FLUID CONSISTING ESSENTIALLY OF (1) FROM 95 TO 99.9 WEIGHT PERCENT OF A FLUID SELECTED FROM THE GROUP CONSISTING OF OXIDATION-RESISTANT ESTERS OF ALKANOIC ACIDS HAVING AT LEAST 5 CARBON ATOMS AND POLYHYDRIC ALCOHOLS CONTAINING AT LEAST TWO METHYLOL RADICALS BONDED TO A QUATERNARY CARBON ATOM, ESTERS OF TERTIARY ALKYL CARBINOLS HAVING A METHYLOL RADICAL ON A QUATERNARY CARBON ATOM AND HAVING FROM 5 TO 12 CARBON ATOMS AND DICARBOXYLIC ACIDS HAVING FROM 4 TO 12 CARBON ATOMS, AND SILOXANE FLUIDS OF THE FORMULA (RNSIO4-N/2)M WHERE R IS SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION AND HALOHYDROCARBON RADICALS FREE OF ALIPHATIC UNSATURATION, N HAS A VALUE OF 1.8 TO 3, AND M HAS A VALUE OF AT LEAST 2, (2) FROM 0.05 TO 3 WEIGHT PERCENT OF AN AMINE ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZINE, PHENYLAMINE AND NAPHTHYLAMINES, AND (3) FROM 0.05 TO 3 WEIGHT PERCENT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |