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US3222302A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of foaming organo-plastic synthetic resins and products produced therefrom

Assignee: Bayer AG
•
Filing: 1962-04-17
•
Granted: 1965-12-07
•
Expires: 1982-04-17
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Abstract

No abstract record available.

Inventors

  • 👤 Bollert Volker
  • 👤 Gerhard T Fritz
  • 👤 Schnell Hermann
  • 👤 Lotter Hans Georg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:42
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/02; C08J9/04; C08J9/06; C08J9/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 22 words
A METHOD FOR MAKING CELLULAR PLASTICS WHICH COMPRISES HEATING A GAS RETENTIVE ORGANO-PLASTIC SYNTHETIC RESIN HAVING CHEMICALLY COMBINED THEREIN AT LEAST ONE
Claim 2
Independent Claim 22 words
A METHOD FOR MAKING CELLULAR PLASTICS WHICH COMPRISES HEATING A GAS RETENTIVE ORGANO-PLASTIC SYNTHETIC RESIN HAVING CHEMICALLY COMBINED THEREIN AT LEAST ONE

References Cited (Backward Citations)

DE117267C Cited
US2386995A Cited
GB652770A Cited
GB838824A Cited
US2963510A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-06 1969-06-07 1969-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-06 1973-06-07 1973-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-06 1977-06-07 1977-12-07 $7700.00 Window Closed / Lapsed

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