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Patent Assignment Details
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Reel/Frame:006893/0421   Pages: 9
Recorded: 03/21/1994
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 27
1
Patent #:
Issue Dt:
01/09/1979
Application #:
05807479
Filing Dt:
06/17/1977
Title:
ELECTROLYTIC TITRATION APPARATUS
2
Patent #:
Issue Dt:
09/02/1980
Application #:
05967047
Filing Dt:
12/06/1978
Title:
COMPOSITION AND METHOD FOR REMOVING SULFIDE-CONTAINING SCALE FROM METAL SURFACES
3
Patent #:
Issue Dt:
03/17/1981
Application #:
06075914
Filing Dt:
09/17/1979
Title:
HIGH ENERGY WASH OF LJUNGSTROM AIR PREHEATER
4
Patent #:
Issue Dt:
01/12/1982
Application #:
06100794
Filing Dt:
12/06/1979
Title:
METHOD AND COMPOSITION FOR REMOVING SULFIDE-CONTAINING SCALE FROM METAL SURFACES
5
Patent #:
Issue Dt:
03/10/1981
Application #:
06122536
Filing Dt:
02/19/1980
Title:
METHOD FOR DRYING PIPELINES
6
Patent #:
Issue Dt:
09/15/1981
Application #:
06193878
Filing Dt:
10/03/1980
Title:
METHOD AND COMPOSITION FOR REMOVING SULFIDE-CONTAINING SCALE FROM METAL SURFACES
7
Patent #:
Issue Dt:
02/07/1984
Application #:
06213280
Filing Dt:
12/05/1980
Title:
AQUEOUS ACID COMPOSITION AND METHOD OF USE
8
Patent #:
Issue Dt:
04/17/1984
Application #:
06320815
Filing Dt:
11/12/1981
Title:
PROCESS FOR REMOVING COPPER AND COPPER OXIDE ENCRUSTATIONS FROM FERROUS SURFACES
9
Patent #:
Issue Dt:
09/25/1984
Application #:
06338928
Filing Dt:
01/12/1982
Title:
CLEANING PIPELINE INTERIOR WITH GELLED PIG
10
Patent #:
Issue Dt:
01/20/1987
Application #:
06574837
Filing Dt:
01/30/1984
Title:
CORROSION INHIBITORS FOR CLEANING SOLUTIONS
11
Patent #:
Issue Dt:
09/24/1985
Application #:
06591080
Filing Dt:
03/19/1984
Title:
AQUEOUS CROSSLINKED GELLED PIGS FOR CLEANING PIPELINES
12
Patent #:
Issue Dt:
08/27/1985
Application #:
06593074
Filing Dt:
03/26/1984
Title:
ORGANIC GELS
13
Patent #:
Issue Dt:
11/18/1986
Application #:
06697615
Filing Dt:
02/04/1985
Title:
SOLVENT FOR REMOVING IRON OXIDE DEPOSITS
14
Patent #:
Issue Dt:
01/13/1987
Application #:
06728448
Filing Dt:
05/01/1985
Title:
AQUEOUS ACID COMPOSITION AND METHID OF USE
15
Patent #:
Issue Dt:
12/16/1986
Application #:
06756914
Filing Dt:
07/18/1985
Title:
REMOVAL OF IRON FROM CHELANT SOLUTIONS
16
Patent #:
Issue Dt:
03/29/1988
Application #:
06801123
Filing Dt:
11/22/1985
Title:
MIXTURES OF L,B-UNSATURATED ALKENYDES AND SURFACE ACTIVE AGENTS USED AS CORROSION INHIBITORS IN AQUEOUS FLUIDS
17
Patent #:
Issue Dt:
07/18/1989
Application #:
07040544
Filing Dt:
04/16/1987
Title:
METHOD FOR RECYCLING FOAMED SOLVENTS
18
Patent #:
Issue Dt:
11/20/1990
Application #:
07068472
Filing Dt:
06/30/1987
Title:
PROCESS FOR REMOVAL OF NICKEL FROM EFFLUENT CONTAINING EDTA
19
Patent #:
Issue Dt:
04/18/1989
Application #:
07069375
Filing Dt:
07/01/1987
Title:
CHEMICAL REMOVAL OF THIOUREA FROM HYDROCHLORIC ACID
20
Patent #:
Issue Dt:
08/01/1989
Application #:
07078127
Filing Dt:
07/27/1987
Title:
METHOD AND APPARATUS FOR CLEANING CONDUITS
21
Patent #:
Issue Dt:
05/01/1990
Application #:
07219647
Filing Dt:
07/15/1988
Title:
METHOD AND APPARATUS FOR CLEANING CONDUITS
22
Patent #:
Issue Dt:
05/08/1990
Application #:
07219763
Filing Dt:
07/15/1988
Title:
METHOD AND APPARATUS FOR CLEANING CONDUITS
23
Patent #:
Issue Dt:
08/29/1989
Application #:
07269110
Filing Dt:
11/09/1988
Title:
ENHANCED CLEANING PROCEDURE FOR COPPER ALLOY EQUIPMENT
24
Patent #:
Issue Dt:
11/14/1989
Application #:
07275229
Filing Dt:
11/22/1988
Title:
METHOD AND APPARATUS FOR STEAM FLOW VENTING INCORPORATING AIR EDUCTING MEANS
25
Patent #:
Issue Dt:
01/19/1993
Application #:
07333165
Filing Dt:
04/04/1989
Title:
CHEMICAL REMOVAL OF THIOUREA FROM HYDROCHLORIC ACID
26
Patent #:
Issue Dt:
07/07/1992
Application #:
07628166
Filing Dt:
12/14/1990
Title:
METHOD AND APPARATUS FOR FORMING A FROTHED FLUID SLUG FOR PIPE CLEANING
27
Patent #:
Issue Dt:
03/30/1993
Application #:
07835695
Filing Dt:
02/12/1992
Title:
METHODS AND APPARATUS USING A GEL TO ISOLATE MAINLINE VALVES IN A PIPELINE DURING A HYDROTEST
Assignor
1
Exec Dt:
12/14/1993
Assignee
1
500 WEST MONROE
CHICAGO, ILLINOIS 60661
Correspondence name and address
JENKENS & GILCHRIST, P.C.
P. WESTON MUSSELMAN, JR.
1445 ROSS AVENUE, STE. 3200
DALLAS, TX 75202-2799

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