PCUK Produits Chimiques Ugine Kuhlmann
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 19, 1991 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,236 Total Citation Count
- Sep 20, 1971 Earliest Filing
- 144 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
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Recent Publications
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4983769 Perfluoroalkylamine oxides and use of these products in fire extinguishing compositionsExpiredJan 25, 88Jan 08, 91[A62C]
4943654 Process for preparation of .alpha.-acetoxy-.alpha.-methyl-N,N'-diacetyl malonamideExpiredJan 15, 86Jul 24, 90[C07C]
4876406 Process for gaseous phase fluorination of aliphatic chlorinated or chlorofluorinated hydrocarbonsExpiredNov 08, 84Oct 24, 89[C07C]
4780303 Continuous process for the preparation of high strength sodium hypochlorite solutionsExpiredMar 30, 87Oct 25, 88[C01B]
4748285 Catalysts and process for gaseous phase fluorination of aliphatic chlorinated derivativesExpiredNov 25, 86May 31, 88[C07C]
4643736 Desizing and bleaching woven fabrics in a single operation in a bath based on sodium chloriteExpiredMay 06, 85Feb 17, 87[D06L]
4613681 Process for the manufacture of fluorinated alkanols and esters thereofExpiredJun 30, 80Sep 23, 86[C07C]
4613708 Branched perfluoroalkyl-1,2-ethenes, their preparation and their use as oxygen carriersExpiredFeb 18, 83Sep 23, 86[C07C]
4613723 Process for effecting hydrocarbon isomerization or alkylationExpiredJan 03, 84Sep 23, 86[C07C]
4605798 Continuous process for the gaseous-phase preparation of trichlorotrifluoroethane, dichlorotetrafluoroethane and monochloropentafluoroethane in controlled proportionsExpiredNov 25, 81Aug 12, 86[C07C]
4547604 Selective isopropylation of cumene to meta-diisopropylbenzeneExpiredFeb 06, 84Oct 15, 85[C07C]
4547606 Selective isomerization of di-isopropyl benzene to meta-di-isopropyl benzeneExpiredFeb 06, 84Oct 15, 85[C07C]
4532121 Process for the preparation of finely divided aluminas or alumina-magnesia spinels having homogeneous pore structureExpiredJun 21, 84Jul 30, 85[C01F]
4530823 Uranium peroxide in the form of spherical particles having good flowability and processes for preparing sameExpiredMay 18, 82Jul 23, 85[C01G]
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