Inventor · disambiguated record
Raymond J. Schaper
Also filed as: SCHAPER RAYMOND J · SCHAPER RAYMOND JOSEPH
10 granted patents·988 citations·filing 1976–1993
93Inventor score
Files withCALGON CORP10
Top patents by PatentIndex Score
10 records- 0198US4166894AFunctional ionene compositions and their useCALGON CORP·Filed 1977·Granted Sep 4, 1979·284 cites·1 claims
- 0298US4075136AFunctional ionene compositions and their useCALGON CORP·Filed 1976·Granted Feb 21, 1978·318 cites·3 claims
- 0392US4147681AStable, self-inverting water-in-oil emulsionsCALGON CORP·Filed 1977·Granted Apr 3, 1979·96 cites·1 claims
- 0492US4077930ASelf-inverting emulsions of dialkyldiallyl ammonium chloride polymers and copolymersCALGON CORP·Filed 1976·Granted Mar 7, 1978·89 cites·5 claims
- 0590US5087376AMultifunctional scale inhibitorsCALGON CORP·Filed 1990·Granted Feb 11, 1992·62 cites·7 claims
- 0688US4650591AAcrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitorsCALGON CORP·Filed 1985·Granted Mar 17, 1987·69 cites·6 claims
- 0787US5259974AN,N-bis(phosphonomethyl)-2-amino-1-propanol, derivatives and corresponding lower alkyl ethers and N-oxides thereof for high PH scale controlCALGON CORP·Filed 1992·Granted Nov 9, 1993·34 cites·8 claims
- 0873US5322636APolyether polyamino methylene phosphonate n-oxides for high pH scale controlCALGON CORP·Filed 1992·Granted Jun 21, 1994·13 cites·6 claims
- 0973US4439580ACationic water-in-oil polymer emulsionsCALGON CORP·Filed 1982·Granted Mar 27, 1984·20 cites·8 claims
- 1031US5391303APolyether polyamino methylene phosphonate N-oxides for high pH scale controlCALGON CORP·Filed 1993·Granted Feb 21, 1995·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →