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OberRamstadt, DE
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last 30 patents
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Patent Grant
Method of preparing Na.sub.2 S (II)
Patent number
5,075,098
Issue date
Dec 24, 1991
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method of preparing Na.sub.2 S (III)
Patent number
5,039,505
Issue date
Aug 13, 1991
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing NA2S (I)
Patent number
5,039,506
Issue date
Aug 13, 1991
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY