DEGUSSA-HULS CORPORATION
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 24, 2001 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 240 Total Citation Count
- Aug 18, 1989 Earliest Filing
- 10 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6265343 Catalyst and method for the synthesis of chlorine dioxide, and method of making catalyst for the synthesis of chlorine dioxideExpiredMar 07, 94Jul 24, 01[B01J]
5827363 Structure precipitated silicates and silicas, production and use in ink jet printingExpiredDec 17, 96Oct 27, 98[C04B]
5676846 Process for the detoxification of effluents containing free or complexed cyanidesExpiredMay 16, 96Oct 14, 97[C02F]
5264229 Shelf life extension for commercially processed poultry/fowl and seafood products using a specialized hydrogen peroxideExpiredApr 20, 92Nov 23, 93[A23L]
5246598 Destruction of cyanide and other pollutants in aqueous solutionsExpiredDec 22, 92Sep 21, 93[C02F]
5246543 Process for bleaching and delignification of lignocellulosic materialsExpiredFeb 20, 92Sep 21, 93[D21C]
5091054 Process for bleaching and delignification of lignocellulosicExpiredAug 18, 89Feb 25, 92[D21C]
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