Subramanian Krishnan

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous sulfopolyurea colloidal dispersions, films and abrasive art...
- Patent number 6,165,239
- Issue date Dec 26, 2000
- 3M Innovative Properties Company
- Steven T. Hedrick
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coated abrasives and methods of preparation
- Patent number 5,681,612
- Issue date Oct 28, 1997
- Minnesota Mining and Manufacturing Company
- Harold W. Benedict
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Surface treating articles and methods of making same
- Patent number 5,492,550
- Issue date Feb 20, 1996
- Minnesota Mining and Manufacturing Company
- Subramanian Krishnan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Surface treating articles and methods of making same
- Patent number 5,306,319
- Issue date Apr 26, 1994
- Minnesota Mining and Manufacturing Company
- Subramanian Krishnan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Asymmetric porous polyamide membranes
- Patent number 5,006,247
- Issue date Apr 9, 1991
- Minnesota Mining and Manufacturing Company
- Kathleen A. Dennison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MULTI-COMPONENT LIQUID SPRAY SYSTEMS
- Publication number 20070125888
- Publication date Jun 7, 2007
- 3M Innovative Properties Company
- Daniel J. Zillig
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
MULTI-COMPONENT LIQUID SPRAY SYSTEMS
- Publication number 20070125877
- Publication date Jun 7, 2007
- 3M Innovative Properties Company
- Daniel J. Zillig
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
METHODS OF SPRAYING MULTI-COMPONENT LIQUIDS
- Publication number 20070125886
- Publication date Jun 7, 2007
- 3M Innovative Properties Company
- Daniel J. Zillig
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...