Anaerobic digestion method

United States of America Patent

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Jan 15, 1991
Grant Date
N/A
app pub date
Mar 20, 1989
filing date
Mar 20, 1989

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Expired

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Abstract

Sewage sludge or an agricultural or fish waste material is subjected to pretreatment in the form of wet mill treatment and then is subjected to anaerobic digestion.

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Patent Owner(s)

Patent Owner	Address
KABUSHIKI KAISHA YAKULT HONSHA	1-10-30 KAIGAN MINATO-KU TOKYO 1058660 ?1058660
PUBLIC WORKS RESEARCH INSTITUTE	MINISTRY OF CONSTRUCTION ASAHI 1-BANCHI TSUKUBA-SHI IBARAKI-KEN
FUJITA CORPORATION	32-22 NISHISHINJUKU 4-CHOME SHINJUKU-KU TOKYO 1608378 ?1608378

International Classification(s)

C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kitazume, Masayoshi	Tokyo, JP	1	22
Nonoyama, Noboru	Tokyo, JP	2	33
Ohshima, Yoshio	Tsukuba, JP	1	22
Tomita, Yukihiro	Toride, JP	3	23
Watanabe, Keizaburo	Tokyo, JP	1	22
Watanabe, Tsunekazu	Tokyo, JP	6	34

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Anaerobic digestion method

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United States of America Patent

07325925

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PATENT NO	4985149
SERIAL NO	07325925
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