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US3565960A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the preparation of fluid phenoxybiphenyls

Assignee: Monsanto Co
•
Filing: 1967-03-13
•
Granted: 1971-02-23
•
Expires: 1987-03-13
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Abstract

Abstract A PROCESS FOR THE PREPARATION OF A FLUID PHENOXYBIPHENYL COMPOUND OR PHENOXYBIPHENYL COMPOSITION ENRICHED IN FLUID PHENOXYBIPHENYL COMPOUNDS COMPRISING THE STEPS OF CONTACTING A SOLID PHENOXYBIPHENYL COMPOUND OR COMPOSITION CONTAINING ONE OR MORE SOLID PHENOXYBIPHENYL COMPOUNDS WITH HYDROGEN CHLORIDE AND A CLASS OF CATALYSTS REPRESENTATIVE OF WHICH ARE ALUMINUM TRICHLORIDE, ALUMINUM TRIBROMIDE, GALLIUM TRICHLORIDE, STANNIC CHLORIDE AND ANTIMONY PENTACHLORIDE. A FLUID PHENOXYBIPHENYL COMPOUND AND COMPOSITIONS THEREOF HAVE MANY USES, AMONG WHICH ARE USE AS HYDRAULIC FLUIDS AND HEAT TRANSFER FLUIDS.

Inventors

  • 👤 Robert M Schisla
  • 👤 Harold I Weingarten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:29
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/08; C10; C10M; C10M3/00; C10M2207/00; C10M2207/04; C10M2209/00; C10M2209/02; C10M2209/10; C10N; C10N2030/00; C10N2030/08; C10N2030/32; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/14; C10N2040/16; C10N2040/17

Claims Analysis

Total Claims: 0
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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) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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