PROCESS FOR THE PREPARATION OF 9 BETA,10 ALPHA-PROGESTERONE (RETROPROGESTERONE)
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United States of America
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Feb 6, 2020
app pub date -
Jan 18, 2018
filing date -
Jan 18, 2018
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Abstract
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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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
INDUSTRIALE CHIMCA S R L | VIA ABBONDIO SANGIORGIO 12 MILANO 20145 |
International Classification(s)

- 2018 Application Filing Year
- C07J Class
- 162 Applications Filed
- 93 Patents Issued To-Date
- 57.41 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
DELFRATE, Claudio | Rho, IT | 4 | 0 |
# of filed Patents : 4 Total Citations : 0 | |||
LENNA, Roberto | S. Giorgio Su Legnano, IT | 29 | 20 |
# of filed Patents : 29 Total Citations : 20 | |||
RIGAMONTI, Davide | Lambrugo, IT | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 |
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- C07J Class
- 0 % this patent is cited more than
- 5 Age
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 6, 2027 |
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Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text
US Patent Application No: 2023/0220,676
PORTABLE RAMP
Abstract
A ramp includes a plate member. The ramp is formed from a carbon fiber-reinforced resin having a longitudinal elastic modulus in the bridging direction of 50+ GPa, and a connecting section that connects the plate member which plate member can be divided into two in a plane perpendicular to the plate member and parallel to the bridging direction. A reinforcement part forms a plurality of hollow segments arranged single file along the bridging direction of the plate member. The cross section shape perpendicular to the direction of extension of the hollow segments is trapezoidal, the height of the trapezoid is 10 to 50 mm, the base angles are 45° to 90°, the width of the plane that contacts the trapezoidal plate member is 100 to 10 mm, and derailment preventing walls connect to portions of plate member side end faces and hollow segment side end faces.
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