Inventor · disambiguated record
Robert A. Houtchens
Also filed as: HOUTCHENS ROBERT A
19 granted patents·4 pending applications·644 citations·filing 1985–2006
96Inventor score
Top patents by PatentIndex Score
23 records- 0197US5743477AInsecticidal proteins and method for plant protectionDOWELANCO·Filed 1992·Granted Apr 28, 1998·186 cites·5 claims
- 0296US5691452AMethod for preserving a hemoglobin blood substituteBIOPURE CORP·Filed 1995·Granted Nov 25, 1997·98 cites·15 claims
- 0389US6271351B1Method for preserving a hemoglobin blood substituteBIOPURE CORP·Filed 1998·Granted Aug 7, 2001·44 cites·15 claims
- 0486US4950596AStabilization of intracellular enzymesDOW CHEMICAL CO·Filed 1987·Granted Aug 21, 1990·35 cites·46 claims
- 0585US7553613B2Use of defibrinated blood for manufacture of hemoglobin-based oxygen carrierBIOPURE CORP·Filed 2005·Granted Jun 30, 2009·6 cites·10 claims
- 0685US5808011AMethod for chromatographic removal of prionsBIOPURE CORP·Filed 1996·Granted Sep 15, 1998·51 cites·19 claims
- 0781US5840852AMethod for producing ultrapure stable polmerized hemoglobin blood-substituteBIOPURE CORP·Filed 1995·Granted Nov 24, 1998·22 cites·1 claims
- 0878US7001715B2Purification of red blood cells by separation and diafiltrationBIOPURE CORP·Filed 2002·Granted Feb 21, 2006·10 cites·20 claims
- 0978US6518010B2Use of defibrinated blood for manufacture of a hemoglobin-based oxygen carrierBIOPURE CORP·Filed 2001·Granted Feb 11, 2003·8 cites·19 claims
- 1077US6288027B1Preserving a hemoglobin blood substitute with a transparent overwrapBIOPURE CORP·Filed 1999·Granted Sep 11, 2001·36 cites·9 claims
- 1174US5753616AMethod for producing a stable polymerized hemoglobin blood-substituteBIOPURE CORP·Filed 1995·Granted May 19, 1998·43 cites·6 claims
- 1272US6150507AMethod for producing a purified hemoglobin productBIOPURE CORP·Filed 1998·Granted Nov 21, 2000·18 cites·43 claims
- 1370US7041800B1Preserving a hemoglobin blood substitute with a transparent overwrapBIOPURE CORP·Filed 2000·Granted May 9, 2006·35 cites·9 claims
- 1467US6986984B2Use of defibrinated blood for manufacture of a hemoglobin-based oxygen carrierBIOPURE CORP·Filed 2002·Granted Jan 17, 2006·2 cites·11 claims
- 1565US7041799B1Preserving a hemoglobin blood substitute with a transparent overwrapBIOPURE CORP·Filed 2000·Granted May 9, 2006·1 cites·6 claims
- 1664US2006160724A1Preserving a hemoglobin blood substitute with a transparent overwrapGAWRYL MARIA S·Filed 2006·Application pending·0 cites
- 1762US6610832B1Preserving a hemoglobin blood substitute with a transparent overwrapBIOPURE CORP·Filed 1999·Granted Aug 26, 2003·8 cites·14 claims
- 1861US2003203350A1Method for separating unmodified hemoglobin from cross-linked hemoglobinBIOPURE CORP·Filed 2003·Application pending·0 cites
- 1960US5952470AMethod for separating unmodified hemoglobin from cross-linked hemoglobinBIOPURE CORP·Filed 1995·Granted Sep 14, 1999·9 cites·20 claims
- 2054US2005143565A1Method for separating unmodified hemoglobin from cross-linked hemoglobinBIOPURE CORP·Filed 2005·Application pending·0 cites
- 2152US2002128182A1Preserving a hemoglobin blood substitute with a transparent overwrapBIOPURE CORP·Filed 2001·Application pending·0 cites
- 2245US5955581AMethod for producing a stable polymerized hemoglobin blood-substituteBIOPURE CORP·Filed 1995·Granted Sep 21, 1999·27 cites·6 claims
- 2339US4675292AStabilization of glucose isomeraseDOW CHEMICAL CO·Filed 1985·Granted Jun 23, 1987·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →