PROCESS FOR THE PREPARATION OF 9 BETA,10 ALPHA-PROGESTERONE (RETROPROGESTERONE)

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200040029A1
SERIAL NO

16479160

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention refers to a new process for the synthesis of (9β,10α)-pregn-4-ene-3,20-dione, commonly known as retroprogesterone, having the formula (1) shown below.

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Patent Owner(s)

Patent OwnerAddress
INDUSTRIALE CHIMCA S R LVIA ABBONDIO SANGIORGIO 12 MILANO 20145

International Classification(s)

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  • 2018 Application Filing Year
  • C07J Class
  • 162 Applications Filed
  • 93 Patents Issued To-Date
  • 57.41 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DELFRATE, Claudio Rho, IT 4 0
LENNA, Roberto S. Giorgio Su Legnano, IT 29 20
RIGAMONTI, Davide Lambrugo, IT 3 0

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Patent Citation Ranking

  • 0 Citation Count
  • C07J Class
  • 0 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges843201 - 10051015202530354045505560657075808590

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