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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
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Abstract

No abstract record available.

Inventors

  • 👤 Fritz A Buehler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 04:30
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)

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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

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