David W. Boldridge

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Oswego, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Anionic abrasive particles treated with positively charged polyelec...
- Patent number 7,306,637
- Issue date Dec 11, 2007
- Cabot Microelectronics Corporation
- Isaac K Cherian
- B24 - GRINDING POLISHING
Information Patent Grant
Method of polishing or planarizing a substrate
- Patent number 6,872,328
- Issue date Mar 29, 2005
- Cabot Microelectronics Corporation
- James A. Dirksen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anionic abrasive particles treated with positively charged polyelec...
- Patent number 6,776,810
- Issue date Aug 17, 2004
- Cabot Microelectronics Corporation
- Isaac K. Cherian
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
CMP SLURRY RECYCLING SYSTEM AND METHODS
- Publication number 20120042575
- Publication date Feb 23, 2012
- Cabot Microelectronics Corporation
- Nicholas Amoroso
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Anionic abrasive particles treated with positively charged polyelec...
- Publication number 20040229552
- Publication date Nov 18, 2004
- Cabot Microelectronics Corporation
- Isaac K. Cherian
- B24 - GRINDING POLISHING
Information Patent Application
Electron source and method for making same
- Publication number 20040198892
- Publication date Oct 7, 2004
- Cabot Microelectronics Corporation
- Heinz H. Busta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of polishing or planarizing a substrate
- Publication number 20020076932
- Publication date Jun 20, 2002
- James A. Dirksen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...