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US3083204A Expired / Lapsed US ⏱️ 0.0 years remaining

Esters and amides of 2-phenyl-bicyclo-(2, 2, 1) heptane-2-carboxylic acid, 2-phenyl-bcyclo(2, 2, 1)-5-heptene-2-carboxylic acid, 2-phenyl-bicyclo(2, 2, 2)-5-octene-2-carboxylic acid and 2-phenyl-bicyclo(2, 2, 2)octane carboxylic acid

Assignee: Abbott GmbH and Co KG
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Filing: 1957-06-10
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Granted: 1963-03-26
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Expires: 1977-06-10
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Abstract

No abstract record available.

Inventors

  • 👤 Klavehn Wilfrid
  • 👤 Kraft Helmut

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 13:24
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/46; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 8 words
THE 2-PHENYL BICYCLO (2,2,1) HEPTANE-2-CARBOXYLIC ACID TROPINOL ESTER.
Claim 2
Dependent Claim 11 words
IN A PROCESS OF PRODUCING CARBOXYLIC ACID COMPOUNDS OF THE FORMULA

References Cited (Backward Citations)

US2404588A Cited
CH249054A Cited
US2704284A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-25 1966-09-24 1967-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-25 1970-09-24 1971-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-25 1974-09-24 1975-03-26 $7700.00 Window Closed / Lapsed

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