12.alpha.-substituted pregna-1,4-diene-3,20-diones

United States of America Patent

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Sep 19, 1989
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N/A
app pub date
Aug 20, 1986
filing date
Feb 25, 1983

priority date (Note)
Expired

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Abstract

12.alpha.-Substituted pregna-1,4-diene-3,20-diones, which are novel compounds, are provided. These compounds are useful as intermediates for the synthesis of antiinflammatory corticoids represented by prednisone, prednisolone, etc.

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Patent Owner(s)

Patent Owner	Address
KURARAY CO LTD	1621 SAKAZU KURASHIKI-SHI OKAYAMA 7100801 ?7100801

International Classification(s)

C07J:STEROIDS

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bunno, Masayasu	Chiba, JP	3	6
Harada, Hidemi	Kurashiki, JP	9	98
Ichihara, Yoshihiro	Kurashiki, JP	6	8
Sugiura, Tsutomu	Kurashiki, JP	13	171
Tsuji, Masao	Kurashiki, JP	155	2828

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12.alpha.-substituted pregna-1,4-diene-3,20-diones

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06898331

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PATENT NO	4867913
SERIAL NO	06898331
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06898331

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