|
| US4025448 | 29 Dic 1975 | 24 May 1977 | Union Carbide Corporation | Superparamagnetic wax compositions useful in magnetic levitation separations |
| US4094804 | 5 Ene 1977 | 13 Jun 1978 | | Method for preparing a water base magnetic fluid and product |
| US4108767 | 2 Sep 1975 | 22 Ago 1978 | Georgia-Pacific Corporation | Separation of an aqueous or water-miscible liquid from a fluid mixture |
| US4292615 | 24 Jul 1979 | 29 Sep 1981 | | Switching element |
| US4295971 | 14 Ago 1980 | 20 Oct 1981 | The United States of America as represented by the Secretary of the Interior | Method for clarifying slimes |
| US4308603 | 16 Nov 1979 | 29 Dic 1981 | The United States of America as represented by the Secretary of the Navy | Ferrofluid transducer |
| US4315827 | 13 Feb 1981 | 16 Feb 1982 | Ferrofluidics Corporation | Low-vapor-pressure ferrofluids and method of making same |
| US4430239 | 7 Feb 1983 | 7 Feb 1984 | Ferrofluidics Corporation | Ferrofluid composition and method of making and using same |
| US4435302 | 28 May 1982 | 6 Mar 1984 | The United States of America as represented by the Secretary of the Interior | Concentrating and reclaiming magnetic fluids |
| US4445940 | 30 Nov 1982 | 1 May 1984 | Georgia-Pacific Corporation | Process to remove corrosion deposits using aqueous-base ferromagnetic fluids |
| US4485024 | 25 Mar 1983 | 27 Nov 1984 | Nippon Seiko Kabushiki Kaisha | Process for producing a ferrofluid, and a composition thereof |
| US4576725 | 13 Jun 1984 | 18 Mar 1986 | Toyota Jidosha Kabushiki Kaisha | Magnetic fluid incorporating fine magnetic powder and method for making the same |
| US4579173 | 30 Sep 1983 | 1 Abr 1986 | Exxon Research and Engineering Co. | Magnetized drive fluids |
| US4604222 | 21 May 1985 | 5 Ago 1986 | Ferrofluidics Corporation | Stable ferrofluid composition and method of making and using same |
| US4608186 | 30 Jul 1985 | 26 Ago 1986 | TDK Corporation | Magnetic fluid |
| US4624797 | 12 Sep 1985 | 25 Nov 1986 | TDK Corporation | Magnetic fluid and process for preparing the same |
| US4626370 | 12 Sep 1985 | 2 Dic 1986 | TDK Corporation | Magnetic fluid |
| US4701276 | 31 Oct 1986 | 20 Oct 1987 | Hitachi Metals, LTD. | Super paramagnetic fluids and methods of making super paramagnetic fluids |
| US4717266 | 12 Jun 1986 | 5 Ene 1988 | Spectra-Physics, Inc. | Low friction ferrofluid bearing arrangement |
| US4731239 | 7 Oct 1986 | 15 Mar 1988 | | Method for enhancing NMR imaging; and diagnostic use |
| US4741850 | 30 Jul 1987 | 3 May 1988 | Hitachi Metals, Ltd.
Consolidated Chemical Consulting Co. | Super paramagnetic fluids and methods of making super paramagnetic fluids |
| US4849120 | 2 May 1988 | 18 Jul 1989 | | Magnetically controllable couplings containing ferrafluids |
| US4855079 | 27 Ago 1987 | 8 Ago 1989 | Hitachi Metals, Ltd.
Consolidated Chemical & Consulting Co. | Super paramagnetic fluids and methods of making super paramagnetic fluids |
| US4938886 | 21 Sep 1988 | 3 Jul 1990 | SKF Nova AB | Superparamagnetic liquids and methods of making superparamagnetic liquids |
| US4956113 | 14 Feb 1989 | 11 Sep 1990 | NOK Corporation | Process for preparing a magnetic fluid |
| US4957644 | 27 Jun 1989 | 18 Sep 1990 | | Magnetically controllable couplings containing ferrofluids |
| US5007513 | 3 Abr 1990 | 16 Abr 1991 | Lord Corporation | Electroactive fluid torque transmission apparatus with ferrofluid seal |
| US5069216 | 19 Sep 1989 | 3 Dic 1991 | Advanced Magnetics Inc. | Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract |
| US5124060 | 24 Oct 1990 | 23 Jun 1992 | Nippon Seiko Kabushiki Kaisha | Magnetic fluid composition |
| US5143637 | 15 Feb 1991 | 1 Sep 1992 | Nippon Seiko Kabushiki Kaisha | Magnetic fluid composition |
| US5147573 | 26 Nov 1990 | 15 Sep 1992 | Omni Quest Corporation | Superparamagnetic liquid colloids |
| US5171424 | 22 Oct 1990 | 15 Dic 1992 | Ashland Oil, Inc. | Magnetic separation of old from new cracking catalyst by means of heavy rare earth "magnetic hooks" |
| US5190635 | 17 Oct 1991 | 2 Mar 1993 | Ashland Oil, Inc. | Superparamagnetic formation of FCC catalyst provides means of separation of old equilibrium fluid cracking catalyst |
| US5198098 | 19 Oct 1990 | 30 Mar 1993 | Ashland Oil, Inc. | Magnetic separation of old from new equilibrium particles by means of manganese addition |
| US5219554 | 31 Mar 1992 | 15 Jun 1993 | Advanced Magnetics, Inc. | Hydrated biodegradable superparamagnetic metal oxides |
| US5320906 | 20 Dic 1991 | 14 Jun 1994 | Vestar, Inc. | Delivery vehicles with amphiphile-associated active ingredient |
| US5382373 | 30 Oct 1992 | 17 Ene 1995 | Lord Corporation | Magnetorheological materials based on alloy particles |
| US5577948 | 8 Sep 1995 | 26 Nov 1996 | Byelocorp Scientific, Inc. | Magnetorheological polishing devices and methods |
| US5578238 | 13 Abr 1994 | 26 Nov 1996 | Lord Corporation | Magnetorheological materials utilizing surface-modified particles |
| US5598908 | 5 Jun 1995 | 4 Feb 1997 | GSE, Inc. | Magnetorheological fluid coupling device and torque load simulator system |
| US5599474 | 18 Abr 1994 | 4 Feb 1997 | Lord Corporation | Temperature independent magnetorheological materials |
| US5645752 | 20 Dic 1995 | 8 Jul 1997 | Lord Corporation | Thixotropic magnetorheological materials |
| US5670077 | 18 Oct 1995 | 23 Sep 1997 | Lord Corporation | Aqueous magnetorheological materials |
| US5676877 | 26 Mar 1996 | 14 Oct 1997 | Ferrotec Corporation | Process for producing a magnetic fluid and composition therefor |
| US5769996 | 29 Jun 1995 | 23 Jun 1998 | Loctite (Ireland) Limited | Compositions and methods for providing anisotropic conductive pathways and bonds between two sets of conductors |
| US5795212 | 16 Oct 1995 | 18 Ago 1998 | Byelocorp Scientific, Inc.
University of Rochester | Deterministic magnetorheological finishing |
| US5826885 | 2 Oct 1996 | 27 Oct 1998 | Rigaku/USA, Inc. | Magnetic fluid sealing device |
| US5834197 | 8 Nov 1996 | 10 Nov 1998 | Genera Technologies Limited | Methods of capturing species from liquids and assay procedures |
| US5839944 | 14 Jul 1997 | 24 Nov 1998 | Byelocorp, Inc.
University of Rochester | Apparatus deterministic magnetorheological finishing of workpieces |
| US5851416 | 12 Feb 1997 | 22 Dic 1998 | Ferrofluidics Corporation | Stable polysiloxane ferrofluid compositions and method of making same |
| US5851644 | 25 Jul 1996 | 22 Dic 1998 | Loctite (Ireland) Limited | Films and coatings having anisotropic conductive pathways therein |
| US5863455 | 14 Jul 1997 | 26 Ene 1999 | ABB Power T&D Company Inc. | Colloidal insulating and cooling fluid |
| US5916539 | 12 Sep 1995 | 29 Jun 1999 | Silica Gel Ges. m.b.H. | Superparamagnetic particles, process for producing the same and their use |
| US5916641 | 1 Ago 1996 | 29 Jun 1999 | Loctite (Ireland) Limited
Loctite Corporation | Method of forming a monolayer of particles |
| US5948321 | 4 Abr 1997 | 7 Sep 1999 | | Magnetic fluid thin film displays, monochromatic light switch and tunable wavelength filter |
| US5954991 | 4 Abr 1997 | 21 Sep 1999 | | Ordered structures in homogeneous magnetic fluid thin films and method of preparation |
| US5958282 | 10 Feb 1998 | 28 Sep 1999 | Ferrofluidic Corporation | Low cost method for manufacturing ferrofluid |
| US5968316 | 7 Jul 1997 | 19 Oct 1999 | | Method of making paper using microparticles |
| US5975536 | 30 Sep 1997 | 2 Nov 1999 | Rigaku/USA, Inc. | Rotary motion feedthrough with rotating magnet system |
| US6056889 | 10 Oct 1997 | 2 May 2000 | Ferrotec Corporation | Process for producing a magnetic fluid and composition therefor |
| US6086780 | 22 Oct 1997 | 11 Jul 2000 | | Ordered structures in homogeneous magnetic fluid thin films and method of preparation |
| US6106380 | 19 Feb 1998 | 22 Ago 2000 | Byelocorp Scientific, Inc. | Deterministic magnetorheological finishing |
| US6110399 | 17 Jun 1998 | 29 Ago 2000 | Loctite (Ireland) Limited | Compositions and method for providing anisotropic conductive pathways and bonds between two sets of conductors |
| US6149857 | 22 Dic 1998 | 21 Nov 2000 | Loctite (R&D) Limited | Method of making films and coatings having anisotropic conductive pathways therein |
| US6180226 | 31 Mar 1998 | 30 Ene 2001 | Loctite (R&D) Limited | Method of forming a monolayer of particles, and products formed thereby |
| US6190561 | 17 Feb 1998 | 20 Feb 2001 | Sortwell & Co., part interest | Method of water treatment using zeolite crystalloid coagulants |
| US6193844 | 14 Sep 1999 | 27 Feb 2001 | | Method for making paper using microparticles |
| US6199867 | 3 Nov 1998 | 13 Mar 2001 | Rigaku/USA, Inc. | Rotary motion feedthrough device |
| US6402876 | 29 Feb 2000 | 11 Jun 2002 | Loctite (R&D) Ireland | Method of forming a monolayer of particles, and products formed thereby |
| US6423172 | 7 Jul 2000 | 23 Jul 2002 | Loctite (R&D) Limited | Method of forming a coating onto a non-random monolayer of particles, and products formed thereby |
| US6503414 | 3 Jul 1996 | 7 Ene 2003 | Byelocorp Scientific, Inc. | Magnetorheological polishing devices and methods |
| US6613721 | 27 Mar 1997 | 2 Sep 2003 | The Timken Company | Colloidal suspensions for use as a lubricant or additive |
| US6962685 | 17 Abr 2002 | 8 Nov 2005 | International Business Machines Corporation | Synthesis of magnetite nanoparticles and the process of forming Fe-based nanomaterials |
| US6977025 | 17 Mar 2003 | 20 Dic 2005 | Loctite (R&D) Limited | Method of forming a monolayer of particles having at least two different sizes, and products formed thereby |
| US7128891 | 24 Ago 2005 | 31 Oct 2006 | International Business Machines Corporation | Process of making metal containing iron oxide and iron sulfide based nanoparticle materials |
| US7261616 | 18 Nov 2002 | 28 Ago 2007 | QED Technologies International, Inc. | Magnetorheological polishing devices and methods |
| US7341757 | 10 Feb 2005 | 11 Mar 2008 | NanoProducts Corporation | Polymer nanotechnology |
| US7387673 | 20 May 2003 | 17 Jun 2008 | PPG Industries Ohio, Inc. | Color pigment nanotechnology |
| US7410625 | 29 Ago 2006 | 12 Ago 2008 | International Business Machines Corporation | Process of making metal containing iron oxide and iron sulfide based nanoparticle materials |
| US7708974 | 10 May 2005 | 4 May 2010 | PPG Industries Ohio, Inc. | Tungsten comprising nanomaterials and related nanotechnology |
| US7919333 | 23 Nov 2004 | 5 Abr 2011 | MagnaMedics GmbH | Spherical and magnetical silicagel carriers having an increase surface for purifying nucleic acids |
| US8058337 | 12 Jun 2007 | 15 Nov 2011 | PPG Industries Ohio, Inc. | Conductive nanocomposite films |
| USRE32573 | 16 Oct 1986 | 5 Ene 1988 | Nippon Seiko Kabushiki Kaisha | Process for producing a ferrofluid, and a composition thereof |
