Leslie A. Cohen

Person

Langhorne, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Acrylic/thermoplastic olefin composite
- Patent number 9,272,490
- Issue date Mar 1, 2016
- Arkema France
- Leslie A. Cohen
- B32 - LAYERED PRODUCTS
Information Patent Grant
Transparent chemical resistant impact acrylic alloy
- Patent number 8,524,826
- Issue date Sep 3, 2013
- Arkema France
- Leslie A. Cohen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric articles having a textured surface and frosted appearance
- Patent number 7,868,062
- Issue date Jan 11, 2011
- Arkema France
- Shi Jun Yang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polymeric articles having a textured surface and frosted appearance
- Patent number 7,547,736
- Issue date Jun 16, 2009
- Arkema France
- Sh-Jun Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric articles having a textured surface and frosted appearance
- Patent number 7,544,724
- Issue date Jun 9, 2009
- Arkema France
- Shi-Jun Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric articles having a textured surface and frosted appearance
- Patent number 7,067,188
- Issue date Jun 27, 2006
- ARKEMA
- Shi-Jun Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acrylic polymer capstock with improved adhesion to structural plastics
- Patent number 6,852,405
- Issue date Feb 8, 2005
- Atofina
- Robert A. Wanat
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultraviolet resistant glutarimide
- Patent number 5,585,423
- Issue date Dec 17, 1996
- Rohm & Haas Company
- Leslie A. Cohen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Near infra-red absorbing thermally stable polymer blend
- Patent number 5,434,197
- Issue date Jul 18, 1995
- Atohaas B.V.
- Leslie A. Cohen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Imide polymers
- Patent number 5,264,483
- Issue date Nov 23, 1993
- Rohm & Haas Company
- Michael P. Hallden-Abberton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyglutarimides with improved properties
- Patent number 5,159,058
- Issue date Oct 27, 1992
- Rohm & Haas Company
- Robert E. Jerman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyglutarimides with improved properties
- Patent number 5,126,409
- Issue date Jun 30, 1992
- Rohm & Haas Company
- Robert E. Jerman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Imide polymers
- Patent number 5,004,777
- Issue date Apr 2, 1991
- Rohm & Haas Company
- Michael P. Hallden-Abberton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Imide polymers
- Patent number 4,954,574
- Issue date Sep 4, 1990
- Rohm & Haas Company
- Michael P. Hallden-Abberton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for manufacturing low-acid, glutaric-anhydride-containing c...
- Patent number 4,874,824
- Issue date Oct 17, 1989
- Rohm & Haas Company
- Michael P. Hallden-Abberton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Imide polymers
- Patent number 4,727,117
- Issue date Feb 23, 1988
- Rohm & Haas Company
- Michael P. Hallden-Abberton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
TRANSPARENT CHEMICAL RESISTANT IMPACT ACRYLIC ALLOY
- Publication number 20100324218
- Publication date Dec 23, 2010
- Leslie A. Cohen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIC ARTICLES HAVING A TEXTURED SURFACE AND FROSTED APPEARANCE
- Publication number 20090226669
- Publication date Sep 10, 2009
- Arkema France
- Shi Jun Yang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Low Moisture Absorbing Acrylic Sheet
- Publication number 20080248294
- Publication date Oct 9, 2008
- Arkema France
- Leslie A. Cohen
- B32 - LAYERED PRODUCTS
Information Patent Application
Acrylic/Thermoplastic Olefin Composite
- Publication number 20080220274
- Publication date Sep 11, 2008
- Arkema France
- Leslie A. Cohen
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYMERIC ARTICLES HAVING A TEXTURED SURFACE AND FROSTED APPEARANCE
- Publication number 20070128409
- Publication date Jun 7, 2007
- Arkema France
- Shi-Jun Yang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Die-cuttable acrylic sheet
- Publication number 20070072994
- Publication date Mar 29, 2007
- Leslie Cohen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymeric articles having a textured surface and frosted appearance
- Publication number 20060160944
- Publication date Jul 20, 2006
- Shi-Jun Yang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Near infrared absorbing acrylic construction blocks
- Publication number 20050175804
- Publication date Aug 11, 2005
- Leslie Cohen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Acrylic polymer capstock with improved adhesion to structural plastics
- Publication number 20020025420
- Publication date Feb 28, 2002
- Robert A. Wanat
- B32 - LAYERED PRODUCTS

Leslie A. Cohen

Person

Patents Grantslast 30 patents

Acrylic/thermoplastic olefin composite

Transparent chemical resistant impact acrylic alloy

Polymeric articles having a textured surface and frosted appearance

Polymeric articles having a textured surface and frosted appearance

Polymeric articles having a textured surface and frosted appearance

Polymeric articles having a textured surface and frosted appearance

Acrylic polymer capstock with improved adhesion to structural plastics

Ultraviolet resistant glutarimide

Near infra-red absorbing thermally stable polymer blend

Imide polymers

Polyglutarimides with improved properties

Polyglutarimides with improved properties

Imide polymers

Imide polymers

Process for manufacturing low-acid, glutaric-anhydride-containing c...

Imide polymers

Patents Applicationslast 30 patents

TRANSPARENT CHEMICAL RESISTANT IMPACT ACRYLIC ALLOY

POLYMERIC ARTICLES HAVING A TEXTURED SURFACE AND FROSTED APPEARANCE

Low Moisture Absorbing Acrylic Sheet

Acrylic/Thermoplastic Olefin Composite

POLYMERIC ARTICLES HAVING A TEXTURED SURFACE AND FROSTED APPEARANCE

Die-cuttable acrylic sheet

Polymeric articles having a textured surface and frosted appearance

Near infrared absorbing acrylic construction blocks

Acrylic polymer capstock with improved adhesion to structural plastics