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US3358033A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for dehydrohalogenation of fluoroacetone-hydrogen halide complexes

Assignee: Honeywell International Inc
•
Filing: 1964-09-28
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Granted: 1967-12-12
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Expires: 1984-09-28
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Abstract

No abstract record available.

Inventors

  • 👤 Louis G Anello
  • 👤 Anthony W Yodis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:38
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/51; C07C45/511; C07C45/512; C07C45/515; C07C45/61; C07C45/63; C07C45/78; C07C45/85

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 48 words
THE PROCESS FOR DECOMPOSING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF F3C-C(-X)(-OH)-CF2-X AND F3C-C(-F)(-CF2-CL)-O-C(-OH) (-CF2-CL)-CF3 AND MIXTURES THEREOF, WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE, WHICH COMPRISES CONTACTING SAID COMPOUND WITH SULFUR TRIOXIDE AT TEMPERATURES BETWEEN ABOUT 0*C. AND ABOUT 500*C.
Claim 2
Dependent Claim 48 words
THE PROCESS FOR DECOMPOSING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF F3C-C(-X)(-OH)-CF2-X AND F3C-C(-F)(-CF2-CL)-O-C(-OH) (-CF2-CL)-CF3 AND MIXTURES THEREOF, WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE, WHICH COMPRISES CONTACTING SAID COMPOUND WITH SULFUR TRIOXIDE AT TEMPERATURES BETWEEN ABOUT 0*C. AND ABOUT 500*C.

References Cited (Backward Citations)

US3238241A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-11 1971-06-12 1971-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-11 1975-06-12 1975-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-11 1979-06-12 1979-12-12 $7700.00 Window Closed / Lapsed

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