Assignee
MILLIPORE INVEST HOLDINGS
US·19 granted patents·1,196 citations·filing 1994–1998
Top patents by PatentIndex Score
19 records- 0196US5772899AFluid dispensing system having independently operated pumpsMILLIPORE INVEST HOLDINGS·Filed 1996·Granted Jun 30, 1998·106 cites·27 claims
- 0296US5629084APorous composite membrane and processMILLIPORE INVEST HOLDINGS·Filed 1995·Granted May 13, 1997·115 cites·37 claims
- 0393US6105829AFluid dispensing systemMILLIPORE INVEST HOLDINGS·Filed 1998·Granted Aug 22, 2000·74 cites·9 claims
- 0490US5833860ACentrifugal adsorptive sample preparation device and methodMILLIPORE INVEST HOLDINGS·Filed 1996·Granted Nov 10, 1998·128 cites·27 claims
- 0590US5554414AProcess for forming membrane having a hydrophobic fluoropolymer surfaceMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Sep 10, 1996·78 cites·23 claims
- 0689US5599447AManifold apparatus for tangential flow filtration apparatusMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Feb 4, 1997·97 cites·56 claims
- 0781US5581017AIntegrity test for porous structures using acoustic emissionMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Dec 3, 1996·67 cites·22 claims
- 0881US5522991ACellulosic ultrafiltration membraneMILLIPORE INVEST HOLDINGS·Filed 1994·Granted Jun 4, 1996·59 cites·60 claims
- 0980US5603900AVacuum filter deviceMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Feb 18, 1997·110 cites·17 claims
- 1080US5531899AIon exchange polyethylene membrane and processMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Jul 2, 1996·62 cites·24 claims
- 1179US5583282ADifferential gas sensing in-line monitoring systemMILLIPORE INVEST HOLDINGS·Filed 1994·Granted Dec 10, 1996·48 cites·22 claims
- 1269US5531971AProcess for purifying semiconductor process gases to remove lewis acid and oxidant impurities therefromMILLIPORE INVEST HOLDINGS·Filed 1994·Granted Jul 2, 1996·26 cites·7 claims
- 1367US6117317AChromatographic column and valve with movable valve sleeveMILLIPORE INVEST HOLDINGS·Filed 1997·Granted Sep 12, 2000·42 cites·6 claims
- 1467US5597486AMembrane filtration with optimized addition of second liquid to maximize fluxMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Jan 28, 1997·50 cites·20 claims
- 1564US5554536ABiological analysis device having improved contamination preventionMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Sep 10, 1996·65 cites·9 claims
- 1657US5671928ASeal for chromatography column having ridgesMILLIPORE INVEST HOLDINGS·Filed 1995·Granted Sep 30, 1997·23 cites·4 claims
- 1746US5527672AHydrophobic coated membranesMILLIPORE INVEST HOLDINGS·Filed 1994·Granted Jun 18, 1996·17 cites·13 claims
- 1843USRE36249EHigh-efficiency metal membrane element, filter, and process for makingMILLIPORE INVEST HOLDINGS·Filed 1998·Granted Jul 13, 1999·10 cites·19 claims
- 1943US5783087AMethod and apparatus for isolation and purification of immune complexesMILLIPORE INVEST HOLDINGS·Filed 1997·Granted Jul 21, 1998·19 cites·8 claims
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