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Irina Ivanovna Vassilieva
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St. Petersburg, RU
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Patents Grants
last 30 patents
Information
Patent Grant
Method for high efficiency salt removal from phenol process byproducts
Patent number
8,558,031
Issue date
Oct 15, 2013
Illa International LLC
Vladimir Mikhailovitch Zakoshansky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for removing impurities from phenol
Patent number
8,013,191
Issue date
Sep 6, 2011
Illa International, LLC
Vladimir Mikhailovitch Zakoshansky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of cumene hydroperoxide
Patent number
7,393,984
Issue date
Jul 1, 2008
Illa International, LLC
Vladimir Zakoshansky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of production of product acetone of high stability to oxidation
Patent number
6,331,654
Issue date
Dec 18, 2001
Illa International LLC
Vladimir Mikhailovitch Zakoshansky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Wasteless economic method of production of phenol and acetone
Patent number
6,252,124
Issue date
Jun 26, 2001
Illa International, LLC
Vladimir Mikhailovitch Zakoshansky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying cumene hydroperoxide decomposition products fro...
Patent number
6,066,767
Issue date
May 23, 2000
Illa International, LLC
Vladimir Mikhailovitch Zakoshansky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High selective method of phenol and acetone production
Patent number
6,057,483
Issue date
May 2, 2000
Illa International, LLC
Vladimir Mikhailovitch Zakoshansky
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Method for removing impurities from phenol
Publication number
20080021249
Publication date
Jan 24, 2008
Vladimir Mikhailovitch Zakoshansky
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for high efficiency salt removal from phenol process byproducts
Publication number
20060252975
Publication date
Nov 9, 2006
Vladimir Mikhailovitch Zakoshansky
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL