Inventor · disambiguated record
David R. Witzke
Also filed as: WITZKE DAVID · WITZKE DAVID R · WITZKE DAVID ROY
14 granted patents·1 pending application·1,250 citations·filing 1994–2004
96Inventor score
Top patents by PatentIndex Score
15 records- 0198US5594095AViscosity-modified lactide polymer composition and process for manufacture thereofCARGILL INC·Filed 1994·Granted Jan 14, 1997·365 cites·24 claims
- 0297US6534679B2Lactic acid processing; methods; arrangements; and, productsCARGILL INC·Filed 2001·Granted Mar 18, 2003·84 cites·24 claims
- 0397US6353086B1Lactic acid residue containing polymer composition and product having improved stability, and method for preparation and use thereofCARGILL INC·Filed 2000·Granted Mar 5, 2002·96 cites·25 claims
- 0497US6114495ALactic acid residue containing polymer composition and product having improved stability, and method for preparation and use thereofCARGILL INC·Filed 1998·Granted Sep 5, 2000·113 cites·22 claims
- 0596US7144977B2Lactic acid processing; methods; arrangements; and, productsCARGILL INC·Filed 2004·Granted Dec 5, 2006·48 cites·16 claims
- 0696US6291597B1Viscosity-modified lactide polymer composition and process for manufacture thereofCARGILL INC·Filed 1999·Granted Sep 18, 2001·85 cites·29 claims
- 0795US6320077B1Lactic acid processing; methods; arrangements; and, productCARGILL INC·Filed 1998·Granted Nov 20, 2001·62 cites·20 claims
- 0895US6229046B1Lactic acid processing methods arrangements and productsCARGILL INCORPORTED·Filed 1997·Granted May 8, 2001·91 cites·23 claims
- 0994US5998552AViscosity-modified lactide polymer composition and process for manufacture thereofCARGILL INC·Filed 1998·Granted Dec 7, 1999·67 cites·25 claims
- 1092US6160173AProcess for the recovery of lactic acid esters and amides from aqueous solutions of lactic acid and/or salts thereofCARGILL INC·Filed 1997·Granted Dec 12, 2000·65 cites·39 claims
- 1192US5922832AImpact modified melt-stable lactide polymer compositions and processes for manufacture thereofCARGILL INC·Filed 1997·Granted Jul 13, 1999·63 cites·25 claims
- 1292US5798435AViscosity-modified lactide polymer composition and process for manufacture thereofCARGILL INC·Filed 1996·Granted Aug 25, 1998·56 cites·28 claims
- 1389US6495631B1Impact modified melt-stable lactide polymer compositions and processes for manufacture thereofCARGILL INC·Filed 1999·Granted Dec 17, 2002·52 cites·22 claims
- 1450US2003176736A1Lactic acid processing; methods; arrangements; and, productsCARGILL INC·Filed 2003·Application pending·0 cites
- 1546US6667417B2Process for the recovery of lactic acidYISSUM RES DEV CO·Filed 1998·Granted Dec 23, 2003·3 cites·47 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →