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Friedrich Bittner
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Bad Soden, DE
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last 30 patents
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Patent Grant
Method of preparing storage-stable aqueous sodium peroxymonsulfate...
Patent number
5,250,280
Issue date
Oct 5, 1993
Degussa Aktiengesellschaft
Birgit Bertsch-Frank
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing lower sodium polysulfides from higher sodium po...
Patent number
5,080,881
Issue date
Jan 14, 1992
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY
Information
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
Information
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
Information
Patent Grant
Method for the production of catalytically active coatings for the...
Patent number
5,039,643
Issue date
Aug 13, 1991
Degussa Aktiengesellschaft
Christian Hecht
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of sodium polysulfides from the elements...
Patent number
4,640,832
Issue date
Feb 3, 1987
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for the preparation of hydrogen sulfide
Patent number
4,629,617
Issue date
Dec 16, 1986
Degussa AG
Karl Voigt
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for bringing liquids into contact
Patent number
4,413,021
Issue date
Nov 1, 1983
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for bringing liquids in contact
Patent number
4,377,344
Issue date
Mar 22, 1983
Degussa AG
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the recovery of pure cyanogen chloride
Patent number
4,328,010
Issue date
May 4, 1982
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of hydrogen cyanide
Patent number
4,320,104
Issue date
Mar 16, 1982
Degussa Aktiengesellschaft
Friedrich Bittner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for introducing three substituents in cyanuric chloride
Patent number
4,281,123
Issue date
Jul 28, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of chloro-amino-s-triazines
Patent number
4,275,203
Issue date
Jun 23, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 2-alkoxy-4,6-dichloro-s-triazines
Patent number
4,271,299
Issue date
Jun 2, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of suspension or solutions of cyanuric c...
Patent number
4,271,297
Issue date
Jun 2, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of suspensions or solutions of cyanuric...
Patent number
4,271,298
Issue date
Jun 2, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of suspension or solution of cyanuric ch...
Patent number
4,269,979
Issue date
May 26, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of optionally substituted 2-mercapto-4,6...
Patent number
4,259,487
Issue date
Mar 31, 1981
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Klaus Hentschel
C07 - ORGANIC CHEMISTRY