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Wheaton, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for dispersing and aggregating components of mineral slurrie...
Patent number
9,150,442
Issue date
Oct 6, 2015
Sortwell & Co.
Edwin T. Sortwell
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Low molecular weight multivalent cation-containing acrylate polymers
Patent number
9,090,726
Issue date
Jul 28, 2015
SORTWELL & CO.
Edwin T. Sortwell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for dispersing and aggregating components of mineral slurrie...
Patent number
8,721,896
Issue date
May 13, 2014
Sortwell & Co.
Edwin T. Sortwell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of making paper
Patent number
6,183,600
Issue date
Feb 6, 2001
Sortwell & Co.
Leo E. Nagan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Centrifuge with rotatable scroll and means to mix flocculant with f...
Patent number
5,935,425
Issue date
Aug 10, 1999
Sortwell & Co.
Edwin T. Sortwell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of making paper
Patent number
5,900,116
Issue date
May 4, 1999
Sortwell & Co.
Leo E. Nagan
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Collapsible intermediate bulk container
Patent number
5,897,012
Issue date
Apr 27, 1999
Sortwell & Co.
Edwin T. Sortwell
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Reactor for the productions of flowable viscous products
Patent number
5,882,605
Issue date
Mar 16, 1999
Sortwell & Co.
Edwin T. Sortwell
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Low Molecular Weight Multivalent Cation-containing Acrylate Polymers
Publication number
20160177003
Publication date
Jun 23, 2016
SORTWELL & CO.
Edwin T. Sortwell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Multivalent Polymers for Clay Aggregation
Publication number
20150353664
Publication date
Dec 10, 2015
SORTWELL & CO.
Edwin T. Sortwell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
LOW MOLECULAR WEIGHT MULTIVALENT CATION-CONTAINING ACRYLATE POLYMERS
Publication number
20140213749
Publication date
Jul 31, 2014
SORTWELL & CO.
Edwin T. Sortwell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for Dispersing and Aggregating Components of Mineral Slurrie...
Publication number
20130190431
Publication date
Jul 25, 2013
SORTWELL & CO.
Edwin T. Sortwell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR DISPERSING AND AGGREGATING COMPONENTS OF MINERAL SLURRIE...
Publication number
20130186838
Publication date
Jul 25, 2013
SORTWELL & CO.
Edwin T. Sortwell
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR DISPERSING AND AGGREGATING COMPONENTS OF MINERAL SLURRIES
Publication number
20120018383
Publication date
Jan 26, 2012
SORTWELL & CO.
Edwin T. Sortwell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for preparing water-soluble polymer gels
Publication number
20070167548
Publication date
Jul 19, 2007
SORTWELL & CO.
Edwin T. Sortwell
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Trademark
last 30 trademarks