Patent US3235495A successfully refreshed from Google Patents.
US3235495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized fluid silicones
Assignee: ExxonMobil Oil Corp
•
Filing: 1962-03-12
•
Granted: 1966-02-15
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Fritz A Buehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:49
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/10; C10M2201/105; C10M2207/00; C10M2207/04; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2209/00; C10M2209/02; C10M2209/10; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/12; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/46; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
240 words
A HIGH TEMPERATURE-STABILIZED POLYSILOXANE FLUID OF THE GENERAL FORMULA: (R-)N-SI-O((4-N)/2) WHERE N HAS A VALUE OF FROM 2.0 TO 2.9 AND R IS SELECTED FROM THE GROUP CONSISTING OF (A) METHYL RADICALS, (B) MIXED METHYL AND PHENYL RADICALS IN A MOL RATIO OF METHYL TO PHENYL OF FROM ABOUT 0.5 TO ABOUT 25, (C) MIXED METHYL AND CHLOROPHENYL RADICALS IN A MOLE RATIO OF METHYL TO CHLOROPHENYL OF FROM ABOUT 0.5 TOABOUT 25 AND (D) MIXED METHYL, PHENYL AND CHLOROPHENYL RADICALS IN A MOL RATIO OF METHYL TO TOTAL PHENYL AND CHLOROPHENYL OF FROM ABOUT 0.5 TO ABOUT 25, SAID CHLOROPHENYL RADICAS IN ALL INSTANCES CONTAINING FROM 1 TO 5 CHLORINE ATOMS EACH; SAID FLUID CONTAINING FROM ABOUT 0.1% TO ABOUT 1%, BY WEIGHT, OF IRON OCTOATE AND ROM ABOUT 0.05% TO ABOUT10%, BY WEIGHT, OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) TERTIARY ALKYL PRIMARY MONO-AMINES OF FROM 4 TO ABOUT 24 CARBON ATOMS, (2) AN AMIC ACID PREPARED BY REACTING A MEMBER OF THE GROUP CONSISTING OF AN ALIPHATIC DICARBOXYLIC ACID HAVING FROM 2 TOA BOUT 30 CARBON ATOMS AND THE ANHYDRIDE OF SUCH ACID WITH A MEMBER OF THE GROUP CONSISTING OF A TERTIARY ALKYL PRIMARY MONO-AMINE OF FROM 4 TO ABOUT 25 CARBON ATOMS AND GLYCINE, AND (3) AMINE SALTS PREPARED BY EACTING AN AMIC ACID AS DEFINED IN (2) WITH A TERTIARY ALKYL PRIMARY MONO-AMINE HAVING FROM 4 TO ABOUT 24 CARBON ATOMS.
Claim 2
Dependent Claim
240 words
A HIGH TEMPERATURE-STABILIZED POLYSILOXANE FLUID OF THE GENERAL FORMULA: (R-)N-SI-O((4-N)/2) WHERE N HAS A VALUE OF FROM 2.0 TO 2.9 AND R IS SELECTED FROM THE GROUP CONSISTING OF (A) METHYL RADICALS, (B) MIXED METHYL AND PHENYL RADICALS IN A MOL RATIO OF METHYL TO PHENYL OF FROM ABOUT 0.5 TO ABOUT 25, (C) MIXED METHYL AND CHLOROPHENYL RADICALS IN A MOLE RATIO OF METHYL TO CHLOROPHENYL OF FROM ABOUT 0.5 TOABOUT 25 AND (D) MIXED METHYL, PHENYL AND CHLOROPHENYL RADICALS IN A MOL RATIO OF METHYL TO TOTAL PHENYL AND CHLOROPHENYL OF FROM ABOUT 0.5 TO ABOUT 25, SAID CHLOROPHENYL RADICAS IN ALL INSTANCES CONTAINING FROM 1 TO 5 CHLORINE ATOMS EACH; SAID FLUID CONTAINING FROM ABOUT 0.1% TO ABOUT 1%, BY WEIGHT, OF IRON OCTOATE AND ROM ABOUT 0.05% TO ABOUT10%, BY WEIGHT, OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) TERTIARY ALKYL PRIMARY MONO-AMINES OF FROM 4 TO ABOUT 24 CARBON ATOMS, (2) AN AMIC ACID PREPARED BY REACTING A MEMBER OF THE GROUP CONSISTING OF AN ALIPHATIC DICARBOXYLIC ACID HAVING FROM 2 TOA BOUT 30 CARBON ATOMS AND THE ANHYDRIDE OF SUCH ACID WITH A MEMBER OF THE GROUP CONSISTING OF A TERTIARY ALKYL PRIMARY MONO-AMINE OF FROM 4 TO ABOUT 25 CARBON ATOMS AND GLYCINE, AND (3) AMINE SALTS PREPARED BY EACTING AN AMIC ACID AS DEFINED IN (2) WITH A TERTIARY ALKYL PRIMARY MONO-AMINE HAVING FROM 4 TO ABOUT 24 CARBON ATOMS.
References Cited (Backward Citations)
US2389807A
Cited
US2445567A
Cited
US2945838A
Cited
US2458425A
Cited
US2699427A
Cited
US2908711A
Cited
US3033789A
Cited
US2971910A
Cited
US3002927A
Cited
US3003960A
Cited
US3009877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |