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Robert J. WELCH
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Salisbury, MD, US
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Patents Grants
last 30 patents
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Patent Grant
Waste polymer processing device and method
Patent number
6,787,073
Issue date
Sep 7, 2004
INVISTA North America S.a.r.l.
Kenneth J. Tadler
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
NYLON SALT SOLUTION PREPARATION PROCESSES WITH TRIM DIAMINE
Publication number
20160075827
Publication date
Mar 17, 2016
INVISTA North America S.a r.l.
Robert J. WELCH
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS AND SYSTEMS FOR THE RECOVERY OF WATER FROM A POLYAMIDE SYNT...
Publication number
20160068633
Publication date
Mar 10, 2016
INVISTA North America S.a r.l.
Thomas A. MICKA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FEED FORWARD PROCESS CONTROLS FOR NYLON SALT SOLUTION PREPARATION P...
Publication number
20160068634
Publication date
Mar 10, 2016
INVISTA North America S.a r.l.
Robert J. WELCH
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NYLON SALT SOLUTION PRODUCTION FROM A PARTIALLY BALANCED ACID SOLUTION
Publication number
20160068632
Publication date
Mar 10, 2016
INVISTA North America S.a r.l.
Robert J. WELCH
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING A PARTIALLY BALANCED ACID SOLUTION
Publication number
20160060460
Publication date
Mar 3, 2016
INVISTA TECHNOLOGIES S.a.r.l.
Robert J. WELCH
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND SYSTEMS FOR THE RECOVERY OF WATER FROM A POLYAMIDE SYNT...
Publication number
20160060395
Publication date
Mar 3, 2016
INVISTA North America S.a r.l.
Thomas A. MICKA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL