Granted Patent
Utility
US 6,045,696 · App. 09/118,202
Process for the purification of waste waters containing organic and inorganic sulphur compounds
Inventors:
Armand Verbueken, Domien Sluyts, Werner Verhoeven, Wilhelm Nehoda
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jul 17, 1998
Inventors
Armand Verbueken
Domien Sluyts
Werner Verhoeven
Wilhelm Nehoda
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.