Joanne M. Schwark

Person

Wilmington, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Peroxide-substituted polysilazanes
- Patent number 5,464,918
- Issue date Nov 7, 1995
- Lanxide Technology Company, LP
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Shape sintered articles derived from boro-containing polysilazanes
- Patent number 5,386,006
- Issue date Jan 31, 1995
- Roger L. K. Matsumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Peroxide-substituted polysilazanes
- Patent number 5,344,907
- Issue date Sep 6, 1994
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preceramic polymers incorporating boron and their application in th...
- Patent number 5,206,327
- Issue date Apr 27, 1993
- Hercules Incorporated
- Roger L. K. Matsumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
(Thio)amide-modified silazane polymer composition containing a free...
- Patent number 5,155,181
- Issue date Oct 13, 1992
- Hercules Incorporated
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Organic amide-modified polysilazane ceramic precursors
- Patent number 5,032,649
- Issue date Jul 16, 1991
- Hercules Incorporated
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Crosslinkable poly(thio)ureasilazane composition containing a free...
- Patent number 5,021,533
- Issue date Jun 4, 1991
- Hercules Incorporated
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride ceramics from isocyanate- and isothiocyanate-modifi...
- Patent number 5,001,090
- Issue date Mar 19, 1991
- Hercules Incorporated
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Isocyanate- and isothiocyanate-modified polysilazane ceramic precur...
- Patent number 4,929,704
- Issue date May 29, 1990
- Hercules Incorporated
- Joanne M. Schwark
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Joanne M. Schwark

Person

Patents Grantslast 30 patents

Peroxide-substituted polysilazanes

Shape sintered articles derived from boro-containing polysilazanes

Peroxide-substituted polysilazanes

Preceramic polymers incorporating boron and their application in th...

(Thio)amide-modified silazane polymer composition containing a free...

Organic amide-modified polysilazane ceramic precursors

Crosslinkable poly(thio)ureasilazane composition containing a free...

Silicon nitride ceramics from isocyanate- and isothiocyanate-modifi...

Isocyanate- and isothiocyanate-modified polysilazane ceramic precur...