Wendell A. Ehrhart

Person

Red Lion, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photopolymerizable, coatable organosol and method
- Patent number 6,083,660
- Issue date Jul 4, 2000
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable, coatable plastisol
- Patent number 6,060,214
- Issue date May 9, 2000
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
(Meth)acrylated, highly ethoxylated, aromatic polyesters
- Patent number 5,891,582
- Issue date Apr 6, 1999
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- E04 - BUILDING
Information Patent Grant
(Meth)acrylated, aromatic polyester/highly ethoxylated (meth)acryla...
- Patent number 5,663,003
- Issue date Sep 2, 1997
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- E04 - BUILDING
Information Patent Grant
(Meth) acrylated aromatic polyester floor covering wear layer
- Patent number 5,543,232
- Issue date Aug 6, 1996
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- E04 - BUILDING
Information Patent Grant
Composite tile with modified adhesive layer
- Patent number 5,362,560
- Issue date Nov 8, 1994
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- E04 - BUILDING
Information Patent Grant
Seam cleaning composition
- Patent number 5,248,443
- Issue date Sep 28, 1993
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Seam cleaning composition
- Patent number 5,198,142
- Issue date Mar 30, 1993
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Conductive polyurethane-urea/polyethylene oxide polymer
- Patent number 5,198,521
- Issue date Mar 30, 1993
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High TG surface covering wear layer and seam coater
- Patent number 5,140,088
- Issue date Aug 18, 1992
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Conductive polyurethane-urea/polyethylene oxide
- Patent number 5,077,330
- Issue date Dec 31, 1991
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-borne, alkali-developable, photoresist coating compositions a...
- Patent number 5,045,435
- Issue date Sep 3, 1991
- Armstrong World Industries, Inc.
- Diane L. Adams
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
UV curable no-wax coating
- Patent number 5,003,026
- Issue date Mar 26, 1991
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Conformable tile
- Patent number 4,595,626
- Issue date Jun 17, 1986
- Armstrong World Industries, Inc.
- Mary A. Brubaker
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Gasket materials comprising polyester and rice hulls
- Patent number 4,496,674
- Issue date Jan 29, 1985
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing plasticized polyvinyl chloride substrates com...
- Patent number 4,436,784
- Issue date Mar 13, 1984
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Non-crystallizing acrylated polyesters based on isophthalic acid
- Patent number 4,304,879
- Issue date Dec 8, 1981
- Armstrong World Industries, Inc.
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High performance urethane coating which is a solvent solution of a...
- Patent number 4,260,717
- Issue date Apr 7, 1981
- Wendell A. Ehrhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Wendell A. Ehrhart

Person

Patents Grantslast 30 patents

Photopolymerizable, coatable organosol and method

Photopolymerizable, coatable plastisol

(Meth)acrylated, highly ethoxylated, aromatic polyesters

(Meth)acrylated, aromatic polyester/highly ethoxylated (meth)acryla...

(Meth) acrylated aromatic polyester floor covering wear layer

Composite tile with modified adhesive layer

Seam cleaning composition

Seam cleaning composition

Conductive polyurethane-urea/polyethylene oxide polymer

High TG surface covering wear layer and seam coater

Conductive polyurethane-urea/polyethylene oxide

Water-borne, alkali-developable, photoresist coating compositions a...

UV curable no-wax coating

Conformable tile

Gasket materials comprising polyester and rice hulls

Process for preparing plasticized polyvinyl chloride substrates com...

Non-crystallizing acrylated polyesters based on isophthalic acid

High performance urethane coating which is a solvent solution of a...