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Patent Assignment Assignee Details
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Assignee Name : KROFF CHEMICAL COMPANY
Total Assignments: 12
Assignment: 1
Reel/Frame:033168/0196   Pages: 9
Recorded: 06/24/2014
Attorney Dkt #:4027-143623
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REY, PAUL
Exec Dt:
03/18/2009
2
SUNDERLIK, DAVID M.
Exec Dt:
03/26/2009
3
CEPLECHA, STEVEN P.
Exec Dt:
03/20/2009
Assignees
1
KROFF CHEMICAL COMPANY
ONE NORTH SHORE CENTER, 12 FEDERAL STREET
SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
2
DOW ARGOSCIENCES LLC
9330 ZIONSVILLE ROAD
INDIANAPOLIS, INDIANA 46268-1054
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9308474
US20140303265
14311930
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CTR, 420 FT DUQUESNE BLVD
STE 1200
PITTSBURGH, PA 15222
Assignment: 2
Reel/Frame:022509/0225   Pages: 5
Recorded: 04/03/2009
Attorney Dkt #:4027-081514
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REY, PAUL
Exec Dt:
03/26/2009
2
SUNDERLIK, DAVID M.
Exec Dt:
03/18/2009
Assignee
1
KROFF CHEMICAL COMPANY
ONE NORTH SHORE CENTER, 12 FEDERAL STREET
SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8268975
US20100256244
12417683
Correspondence name and address
ANN M. CANNONI
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 3
Reel/Frame:028904/0345   Pages: 9
Recorded: 09/06/2012
Attorney Dkt #:4027-122625
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REY, PAUL
Exec Dt:
03/26/2009
2
SUNDERLIK, DAVID M.
Exec Dt:
03/18/2009
3
CEPLECHA, STEVEN P.
Exec Dt:
03/20/2009
Assignees
1
KROFF CHEMICAL COMPANY
ONE NORTH SHORE CENTER, 12 FEDERAL STREET
SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
2
DOW AGROSCIENCES LLC
9330 ZIOSVILLE ROAD
INDIANAPOLIS, INDIANA 46268-1054
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8796433
US20120329915
13603865
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
420 FT. DUQUESNE BLVD., STE. 1200
PITTSBURGH, PA 15222
Assignment: 4
Reel/Frame:024950/0414   Pages: 5
Recorded: 09/08/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
THE NATIONAL COLLOID COMPANY
Exec Dt:
09/03/2010
Assignee
1
KROFF CHEMICAL COMPANY
ONE NORTH SHORE CENTER
SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9034804
US20100307752
12794459
 
8940667
US20100311618
12794495
 
9034805
US20100311623
12794514
 
8871691
US20100307753
12794550
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:025376/0226   Pages: 5
Recorded: 11/19/2010
Attorney Dkt #:5049-092681
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REY, PAUL
Exec Dt:
11/12/2010
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8940667
US20100311618
12794495
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 6
Reel/Frame:025376/0943   Pages: 5
Recorded: 11/19/2010
Attorney Dkt #:5049-092828
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REY, PAUL
Exec Dt:
11/12/2010
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9034804
US20100307752
12794459
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 7
Reel/Frame:025408/0692   Pages: 4
Recorded: 11/19/2010
Attorney Dkt #:4027-092830
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REY, PAUL
Exec Dt:
11/12/2010
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8871691
US20100307753
12794550
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:025409/0136   Pages: 4
Recorded: 11/19/2010
Attorney Dkt #:5049-092780
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REY, PAUL
Exec Dt:
11/12/2010
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9034805
US20100311623
12794514
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 9
Reel/Frame:027079/0130   Pages: 4
Recorded: 10/18/2011
Attorney Dkt #:5049-092681
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BLAUCH, MATTHEW E.
Exec Dt:
10/17/2011
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8940667
US20100311618
12794495
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
ONE GATEWAY CENTER, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 10
Reel/Frame:027402/0369   Pages: 4
Recorded: 12/16/2011
Attorney Dkt #:5049-092780
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GROTTENTHALER, DAVID A.
Exec Dt:
11/18/2011
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9034805
US20100311623
12794514
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FORT DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 11
Reel/Frame:027402/0926   Pages: 4
Recorded: 12/16/2011
Attorney Dkt #:4027-092830
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GROTTENTHALER, DAVID A.
Exec Dt:
11/18/2011
Assignee
1
KROFF CHEMICAL COMPANY
12 FEDERAL STREET
ONE NORTH SHORE CENTER, SUITE 450
PITTSBURGH, PENNSYLVANIA 15212
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8871691
US20100307753
12794550
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FORT DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 12
Reel/Frame:047424/0256   Pages: 5
Recorded: 11/06/2018
Attorney Dkt #:4027-040426
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
C&J WELL SERVICES, INC.
Exec Dt:
11/05/2018
Assignee
1
KROFF CHEMICAL COMPANY
ONE NORTH SHORE CENTER, STE 450
12 FEDERAL STREET
PITTSBURGH, PENNSYLVANIA 15212
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9034804
US20100307752
12794459
 
8940667
US20100311618
12794495
 
9034805
US20100311623
12794514
Correspondence name and address
ANN M. CANNONI
THE WEBB LAW FIRM
420 FT. DUQUESNE BLVD., STE 1200
PITTSBURGH, PA 15222

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