David C. Villiger

Person

Greenville, SC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Erasable ink composition containing a polymer dye obtained from eth...
- Patent number 5,900,445
- Issue date May 4, 1999
- BIC Corporation
- Wayne A. Chandler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable ink composition containing a polymer-encapsulated colorant...
- Patent number 5,852,073
- Issue date Dec 22, 1998
- BIC Corporation
- David C. Villiger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable ink composition containing a waterborne polyurethane urea
- Patent number 5,852,072
- Issue date Dec 22, 1998
- BIC Corporation
- Jeffery H. Banning
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Erasable ink composition containing a graft-polymerized dye
- Patent number 5,756,561
- Issue date May 26, 1998
- BIC Corporation
- Aiying Wang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable ink composition containing a polymer-encapsulated colorant...
- Patent number 5,661,197
- Issue date Aug 26, 1997
- BIC Corporation
- David C. Villiger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable ink composition containing a waterborne polyurethane-urea...
- Patent number 5,637,638
- Issue date Jun 10, 1997
- BIC Corporation
- Wayne A. Chandler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

David C. Villiger

Person

Patents Grantslast 30 patents

Erasable ink composition containing a polymer dye obtained from eth...

Erasable ink composition containing a polymer-encapsulated colorant...

Erasable ink composition containing a waterborne polyurethane urea

Erasable ink composition containing a graft-polymerized dye

Erasable ink composition containing a polymer-encapsulated colorant...

Erasable ink composition containing a waterborne polyurethane-urea...