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US3657322A Expired / Lapsed US ⏱️ 0.0 years remaining

Cycloaliphatic dialkylhydroxyphenylalkanoates

Assignee: Novartis Corp
•
Filing: 1967-06-26
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Granted: 1972-04-18
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Expires: 1987-06-26
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Abstract

Abstract ALKYLHYDROXYPHENYLALKANOIC ACID ESTERS OF MONO- AND POLYHYDRIC ALICYCLIC ALCOHOLS, PREPARED BY KNOW ESTERIFICATION OR TRANSESTERIFICATION PROCEDURES, ARE STABILIZERS OF ORGANIC MATERIAL SUBJECT OT OXIDATIVE DETERIORATION.

Inventors

  • 👤 Martin Dexter
  • 👤 David H Steinberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:34
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/045; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/19; C10L1/191

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) 1975-04-18 1975-10-18 1976-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-04-18 1979-10-18 1980-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-04-18 1983-10-18 1984-04-18 $7700.00 Window Closed / Lapsed

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