Inventor · disambiguated record
Roger Keranen Rains
Also filed as: RAINS ROGER K · RAINS ROGER KERANEN
10 granted patents·1 pending application·187 citations·filing 1992–2010
89Inventor score
Top patents by PatentIndex Score
11 records- 0192US6395933B1Process for preparing 4-aminodiphenylamine intermediatesFLEXSYS AMERICA LP·Filed 2001·Granted May 28, 2002·38 cites·26 claims
- 0292US5608111AMethod of preparing 4-aminodiphenylamineFLEXSYS AMERICA LP·Filed 1995·Granted Mar 4, 1997·58 cites·31 claims
- 0390US6583320B2Process for preparing 4-aminodiphenylamine intermediatesFLEXSYS AMERICA LP·Filed 2002·Granted Jun 24, 2003·29 cites·27 claims
- 0486US6140538AProcess for preparing 4-aminodiphenylaminesFLEXSYS AMERICA LP·Filed 1999·Granted Oct 31, 2000·39 cites·40 claims
- 0577US7183439B2Process for preparing 4-aminodiphenylamine intermediatesFLEXSYS AMERICA LP·Filed 2003·Granted Feb 27, 2007·8 cites·25 claims
- 0662US6770189B2Process for improving the purity of quaternary ammonium hydroxides by electrolysisFLEXSYS BV·Filed 2001·Granted Aug 3, 2004·6 cites·20 claims
- 0760US5204481AProcess for preparing benzothiazole sulfenimides using an aliphatic hydrocarbon solventMONSANTO CO·Filed 1992·Granted Apr 20, 1993·9 cites·9 claims
- 0849US7504539B2Process for preparing 4-aminodiphenylamine intermediatesFLEXSYS AMERICA LLP·Filed 2006·Granted Mar 17, 2009·0 cites·28 claims
- 0944USRE44175EProcess for preparing 4-aminodiphenylaminesRAINS ROGER KERANEN·Filed 2010·Granted Apr 23, 2013·0 cites·74 claims
- 1032US7824538B2Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cellFLEXSYS BV·Filed 2002·Granted Nov 2, 2010·0 cites·11 claims
- 1131US2004039181A1Process for preparing aromatic azo and hydrazo compounds, aromatic amides and aromatic aminesFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →