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US3265649A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for refining polyolefins by an addition of metal salts of inorganic or organic acids

Assignee: Individual
•
Filing: 1962-01-08
•
Granted: 1966-08-09
•
Expires: 1982-01-08
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Abstract

No abstract record available.

Inventors

  • 👤 Faltings Volkert
  • 👤 Meyer Franz-Josef
  • 👤 Schaffler Alfred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 44 words
A STABILIZED POLYMERIC COMPOSITION COMPRISING A POLYOLEFIN CONTAINING THE RESIDUE OF A METAL HALIDE CATALYST AND, DISPERSED UNIFORMLY IN SAID POLYOLEFIN, FROM 0.01 TO 1.0% BASED ON THE WEIGHT OF THE POLYOLEFIN A STABILIZER SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM STEARATE.
Claim 2
Dependent Claim 44 words
A STABILIZED POLYMERIC COMPOSITION COMPRISING A POLYOLEFIN CONTAINING THE RESIDUE OF A METAL HALIDE CATALYST AND, DISPERSED UNIFORMLY IN SAID POLYOLEFIN, FROM 0.01 TO 1.0% BASED ON THE WEIGHT OF THE POLYOLEFIN A STABILIZER SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM STEARATE.

References Cited (Backward Citations)

CA575436A Cited
US2653919A Cited
US2930783A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-08 1970-02-07 1970-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-08 1974-02-07 1974-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-08 1978-02-07 1978-08-09 $7700.00 Window Closed / Lapsed

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