Ashok Sengupta

Person

London, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Biocidal polyurethane compositions and methods of use
- Patent number 7,459,167
- Issue date Dec 2, 2008
- 3M Innovative Properties Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sprayable mining liner
- Patent number 7,290,960
- Issue date Nov 6, 2007
- 3M Innovative Properties Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sprayable mining liner
- Patent number 7,011,865
- Issue date Mar 14, 2006
- 3M Innovative Properties Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for reducing residual isocyanate
- Patent number 6,664,414
- Issue date Dec 16, 2003
- 3M Innovative Properties Company
- Jiangdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Limiting the presence of microorganisms using polymer-bound metal-c...
- Patent number 6,432,396
- Issue date Aug 13, 2002
- 3M Innovative Properties Company
- Kevin D. Landgrebe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Room temperature curable silane terminated and stable waterborne po...
- Patent number 6,313,335
- Issue date Nov 6, 2001
- 3M Innovative Properties
- Gary P. Roberts
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Encapsulation process and encapsulated products
- Patent number 6,248,364
- Issue date Jun 19, 2001
- 3M Innovative Properties Company
- Ashok Sengupta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Suspensions of microcapsules containing biologically active ingredi...
- Patent number 6,080,418
- Issue date Jun 27, 2000
- 3M Innovative Properties Company
- Ashok Sengupta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Water-based polyurethane polymer, release coating, adhesive tape an...
- Patent number 6,072,019
- Issue date Jun 6, 2000
- 3M Innovative Properties Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Room temperature curable silane-terminated polyurethane dispersions
- Patent number 6,046,295
- Issue date Apr 4, 2000
- 3M Innovative Properties Company
- Kurt C. Frisch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-based polyurethane polymer, release coating, adhesive tape an...
- Patent number 5,750,630
- Issue date May 12, 1998
- Minnesota Mining and Manufacturing Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Room temperature curable silane-terminated polyurethane dispersions
- Patent number 5,554,686
- Issue date Sep 10, 1996
- Minnesota Mining and Manufacturing Company
- Kurt C. Frisch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Sprayable mining liner
- Publication number 20060099034
- Publication date May 11, 2006
- 3M Innovative Properties Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Sprayable mining liner
- Publication number 20030125472
- Publication date Jul 3, 2003
- 3M Innovative Properties Company
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for reducing residual isocyanate
- Publication number 20030092932
- Publication date May 15, 2003
- Jiangdong Tong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Sprayable liner for supporting the rock surface of a mine
- Publication number 20030092848
- Publication date May 15, 2003
- Ashok Sengupta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Ashok Sengupta

Person

Patents Grantslast 30 patents

Biocidal polyurethane compositions and methods of use

Sprayable mining liner

Sprayable mining liner

Process for reducing residual isocyanate

Limiting the presence of microorganisms using polymer-bound metal-c...

Room temperature curable silane terminated and stable waterborne po...

Encapsulation process and encapsulated products

Suspensions of microcapsules containing biologically active ingredi...

Water-based polyurethane polymer, release coating, adhesive tape an...

Room temperature curable silane-terminated polyurethane dispersions

Water-based polyurethane polymer, release coating, adhesive tape an...

Room temperature curable silane-terminated polyurethane dispersions

Patents Applicationslast 30 patents

Sprayable mining liner

Sprayable mining liner

Process for reducing residual isocyanate

Sprayable liner for supporting the rock surface of a mine