Inventor · disambiguated record
Carl R. Stephens
Also filed as: STEPHENS CARL R
5 granted patents·92 citations·filing 1998–2004
82Inventor score
Top patents by PatentIndex Score
5 records- 0185US6676847B2Monocarboxylic acid based antifreeze composition for diesel enginesASHLAND INC·Filed 2001·Granted Jan 13, 2004·19 cites·43 claims
- 0279US6235217B1Monocarboxylic acid based antifreeze compositionASHLAND INC·Filed 2000·Granted May 22, 2001·24 cites·46 claims
- 0377US6290870B1Monocarboxylic acid based antifreeze composition for diesel enginesASHLAND INC·Filed 2000·Granted Sep 18, 2001·16 cites·60 claims
- 0469US6126852AMonocarboxylic acid based antifreeze compositionASHLAND INC·Filed 1998·Granted Oct 3, 2000·28 cites·7 claims
- 0557US7407599B2Acid based antifreeze compositionASHLAND LICENSINGAAND INTELLEC·Filed 2004·Granted Aug 5, 2008·5 cites·22 claims
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