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Patent Assignment Assignee Details
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Assignee Name : PQ HOLDING, INC.
Total Assignments: 5
Assignment: 1
Reel/Frame:012215/0890   Pages: 3
Recorded: 10/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PQ CORPORATION
Exec Dt:
04/27/2001
Assignee
1
PQ HOLDING, INC.
103 SPRINGER BUILDING, 3411 SILVERSIDE ROAD
WILMINGTON, DELAWARE 19810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6641796
US20010053741
09810914
Correspondence name and address
RATNER & PRESTIA
CHRISTOPHER R. LEWIS
P.O. BOX 980
ONE WESTLAKES, BERWYN, SUITE 301
VALLEY FORGE, PA 19482-0980
Assignment: 2
Reel/Frame:012215/0895   Pages: 3
Recorded: 10/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PQ CORPORATION
Exec Dt:
05/22/2001
Assignee
1
PQ HOLDING, INC.
103 SPRINGER BUILDING
3411 SILVERSIDE ROAD
WILMINGTON, DELAWARE 19810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6555151
US20020094364
09760353
Correspondence name and address
RATNER & PRESTIA
CHRISTOPHER R. LEWIS
P.O. BOX 980
VALLEY FORGE, PA 19482-0980
Assignment: 3
Reel/Frame:012215/0828   Pages: 3
Recorded: 10/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PQ CORPORATION
Exec Dt:
05/29/2001
Assignee
1
PQ HOLDING, INC.
103 SPRINGER BUILDING
3411 SILVERSIDE ROAD
WILMINGTON, DELAWARE 19810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020164400
09800020
Correspondence name and address
RATNER & PRESTIA
CHRISTOPHER R. LEWIS
SUITE 301, ONE WESTLAKES, BERWYN
P.O. BOX 980
VALLEY FORGE, PA 19482-0980
Assignment: 4
Reel/Frame:012392/0628   Pages: 3
Recorded: 12/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PQ CORPORATION
Exec Dt:
11/15/2001
Assignee
1
PQ HOLDING, INC.
103 SPRINGER BUILDING
3411 SILVERSIDE RD.
WILMINGTON, DELAWARE 19810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6355596
US20010025008
09323731
Correspondence name and address
RATNER & PRESTIA
CHRISTOPHER R. LEWIS
SUITE 301, ONE WESTLAKES, BERWYN
P.O. BOX 980
VALLEY FORGE, PA 19482-0980
Assignment: 5
Reel/Frame:012622/0968   Pages: 3
Recorded: 02/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PQ CORPORATION
Exec Dt:
11/20/2001
Assignee
1
PQ HOLDING, INC.
103 SPRINGER BUILDING
3411 SILVERSIDE RD.
WILMINGTON, DELAWARE 19810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6403642
NONE
09638837
Correspondence name and address
RATNER & PRESTIA
CHRISTOPHER R. LEWIS
SUITE 301, ONE WESTLAKES, BERWYN
P.O. BOX 980
VALLEY FORGE, PA 19482-0980

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