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Nippon Rensui Co.
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for removing potassium from ash produced in a kraft pulping...
Patent number
7,553,394
Issue date
Jun 30, 2009
Nippon Rensui Co.
Saburo Furusho
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for purification of saccharide
Patent number
6,548,662
Issue date
Apr 15, 2003
Sanwa Kosan Kabushiki Kaisha
Shigemitsu Ohsaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of controlling chromatographic separation process
Patent number
6,488,858
Issue date
Dec 3, 2002
Nippon Rensui Co.
Masatake Tanimura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Chromatographic separation process
Patent number
6,482,323
Issue date
Nov 19, 2002
Nippon Rensui Co.
Masakate Tanimura
C13 - SUGAR INDUSTRY
Information
Patent Grant
Process for producing purified L-ascorbic acid
Patent number
5,817,238
Issue date
Oct 6, 1998
Nippon Rensui Co.
Kaoru Makino
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Demineralization apparatus and cloth for packing diluting chamber o...
Patent number
5,512,173
Issue date
Apr 30, 1996
Nippon Rensui Co.
Hajime Uchino
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for purifying water
Patent number
5,259,972
Issue date
Nov 9, 1993
Nippon Rensui Company
Hitoshi Miyamaru
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Chromatographic separation apparatus
Patent number
5,061,371
Issue date
Oct 29, 1991
Nippon Rensui Co.
Takeshi Tabata
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patents Applications
last 30 patents
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Patent Application
METHOD OF PURIFYING UBIQUINONE-10
Publication number
20090036693
Publication date
Feb 5, 2009
KYOWA HAKKO KOGYO CO., LTD
Hiroshi Nagano
C07 - ORGANIC CHEMISTRY