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US3462483A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel derivatives of 3-hydroxy-4-phenyl-butyric acid

Assignee: BDH Chemicals Ltd
•
Filing: 1965-07-02
•
Granted: 1969-08-19
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Expires: 1985-07-02
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Abstract

No abstract record available.

Inventors

  • 👤 Vladimir Petrow
  • 👤 Oliver Stephenson
  • 👤 Anthony Musgrave Wild

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:56
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/60; B; B26; B26F; B26F1/00; B26F1/24; C07C; C07C17/00; C07C17/26; C07C17/263; C07C17/2632; C07C255/00; C07C29/00; C07C29/36; C07C29/38; C07C29/40; C07C33/00; C07C33/40; C07C33/50; C07C43/00; C07C43/02; C07C43/257; C07C43/295; C07C51/00; C07C51/09; C07C51/41; C07C51/412; C07C59/00; C07C59/40; C07C59/42; C07C59/48; C07C59/54; C07C59/56; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C2601/00; C07C2601/06; C07C2601/08; C07C2601/10; C07C2601/12; C07C2601/14; C07C2601/16; C07C2601/18; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-08-18 1973-02-17 1973-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-08-18 1977-02-17 1977-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-08-18 1981-02-17 1981-08-19 $7700.00 Window Closed / Lapsed

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