Tricyclic triazolopyrimidine derivatives

United States of America Patent

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Feb 6, 1990
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Feb 8, 1988
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Feb 6, 1987

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Expired

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Abstract

Novel tricyclic triazolopyrimidine compounds represented by formula (I) shown in the specification and physiologically acceptable salts thereof are disclosed. These compounds have an excellent anti-allergic activity and are useful for treatment and prophylaxis of allergic diseases.

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Patent Owner(s)

Patent Owner	Address
DAIICHI SEIYAKU CO LTD	14-10 NIHONBASHI 3-CHOME CHUO-KU TOKYO

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Inventor Name	Address	# of filed Patents	Total Citations
Aibara, Shunzo	Tokyo, JP	2	1
Fujiwara, Hiroyuki	Tokyo, JP	105	960
Isoda, Sumiro	Tokyo, JP	3	4
Matsumoto, Hiroo	Tokyo, JP	49	70
Miwa, Tamotsu	Tokyo, JP	2	1
Yokohama, Shuichi	Tokyo, JP	7	83

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Tricyclic triazolopyrimidine derivatives

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United States of America Patent

07153677

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PATENT NO	4898943
SERIAL NO	07153677
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07153677

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