Youlu Duan

Person

Minneapolis, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Water-based sulfonated polymer compositions
- Patent number 6,031,045
- Issue date Feb 29, 2000
- H.B. Fuller Licensing & Financing, Inc.
- Yi Wei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stable aqueous polyurethane dispersions
- Patent number 6,017,998
- Issue date Jan 25, 2000
- H.B. Fuller Licensing & Financing,Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous polyurethane dispersions formed from polyisocyanates having...
- Patent number 5,900,457
- Issue date May 4, 1999
- H.B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-based polyurethanes for footwear
- Patent number 5,872,182
- Issue date Feb 16, 1999
- H. B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Laminating adhesives for flexible packaging
- Patent number 5,834,554
- Issue date Nov 10, 1998
- H. B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-based sulfonated polymer compositions
- Patent number 5,807,919
- Issue date Sep 15, 1998
- H.B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous anionic poly (urethane/urea) dispersions
- Patent number 5,703,158
- Issue date Dec 30, 1997
- H. B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reduced solvent process for preparation of aqueous polyurethane dis...
- Patent number 5,637,639
- Issue date Jun 10, 1997
- H.B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous non-gelling, anionic polyurethane dispersions and process f...
- Patent number 5,610,232
- Issue date Mar 11, 1997
- H. B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous polyurethane dispersion adhesive compositions with improved...
- Patent number 5,608,000
- Issue date Mar 4, 1997
- H. B. Fuller Licensing & Financing, Inc.
- Youlu Duan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Person

Patents Grantslast 30 patents

Water-based sulfonated polymer compositions

Stable aqueous polyurethane dispersions

Aqueous polyurethane dispersions formed from polyisocyanates having...

Water-based polyurethanes for footwear

Laminating adhesives for flexible packaging

Water-based sulfonated polymer compositions

Aqueous anionic poly (urethane/urea) dispersions

Reduced solvent process for preparation of aqueous polyurethane dis...

Aqueous non-gelling, anionic polyurethane dispersions and process f...

Aqueous polyurethane dispersion adhesive compositions with improved...