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US3737486A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyphosphorous bisphenal condensates

Assignee: Exxon Mobil Corp
•
Filing: 1970-01-07
•
Granted: 1973-06-05
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Expires: 1990-01-07
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Abstract

Abstract POLYPHOSPHOROUS CONDENSATION PRODUCTS, POLYBORATE CONDENSATION PRODUCTS, POLYCARBONATE CONDENSATION PRODUCTS AND POLYSILICATE CONDENSATION PRODUCTS OF 4,4''-BISPHENOLS ARE ESPECIALLY EFFECTIVE STABILIZERS FOR POLYOLEFINS.

Inventors

  • 👤 H Schutze
  • 👤 H Williams
  • 👤 N Neureiter
  • 👤 D Brown

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:08
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4084; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C08K5/13; C08K5/134; C08K5/36; C08K5/37; C08K5/375; C08K5/49; C08K5/51; C08K5/54; C08K5/541; C08K5/5415; C08K5/5419

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) 1976-06-04 1976-12-04 1977-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-06-04 1980-12-04 1981-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-06-04 1984-12-04 1985-06-05 $7700.00 Window Closed / Lapsed

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