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Robert D. Duffy
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West Chester, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Polyurethane carpet backings with improved tuft bind
Patent number
6,780,895
Issue date
Aug 24, 2004
Bayer Antwerp, N.V.
Ulrich B. Holechovsky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Urethane adhesive-laminated carpeting
Patent number
6,299,715
Issue date
Oct 9, 2001
Bayer Antwerp N.V.
Leah J. Langsdorf
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Polyurethane carpet backings with improved tuft bind
Patent number
6,171,678
Issue date
Jan 9, 2001
Bayer Antwerp N.V.
Ulrich B. Holeschovsky
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for producing froth polyurethane foam
Patent number
5,859,081
Issue date
Jan 12, 1999
ARCO Chemical Technology, L.P.
Robert D. Duffy
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing froth polyurethane foam
Patent number
5,604,267
Issue date
Feb 18, 1997
ARCO Chemical Technology, L.P.
Robert D. Duffy
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Flexible slabstock polyurethane foam formulation for a rapid-cool p...
Patent number
5,382,602
Issue date
Jan 17, 1995
Robert D. Duffy
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Polyurethane carpet backings with improved tuft bind
Publication number
20030114627
Publication date
Jun 19, 2003
Ulrich B. Holeschovsky
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...