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Patent Assignment Assignor Details
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Assignor Name : BHATTACHARYYA, BHUPATI R.
Total Assignments: 10
Assignment: 1
Reel/Frame:003986/0690   Pages: 2
Recorded: 03/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
03/22/1982
2
SLOVINSKY, MANUEL
Exec Dt:
03/22/1982
3
WACHALA, RAYMOND J.
Exec Dt:
03/24/1982
4
BESKE, LAWRENCE E.
Exec Dt:
03/23/1982
5
MC CULLAR, MICHAEL L.
Exec Dt:
03/24/1982
Assignee
1
NALCO CHEMICAL COMPANY
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
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4443576
NONE
06362686
Correspondence name and address
JOHN G. PREMO
NALCO CHEMICAL CO.
2901 BUTTERFIELD RD.
OAK BROOK, IL 60521
Assignment: 2
Reel/Frame:004160/0618   Pages: 1
Recorded: 08/22/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
11/13/1982
2
BALLWEBER, EDWARD G.
Exec Dt:
11/13/1982
Assignee
1
NALCO CHEMICAL COMPANY, OAK BROOK, ILL A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4420586
NONE
06445326
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL COMPANY
2901 BUTTERFIELD ROAD
OAK BROOK, IL 60521
Assignment: 3
Reel/Frame:004078/0726   Pages: 1
Recorded: 12/13/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
12/02/1982
2
ROE, WILLIAM J.
Exec Dt:
12/02/1982
Assignee
1
NALCO CHEMICAL COMPANY
A CORP. OF DE
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4417992
NONE
06449434
Correspondence name and address
RICHARD L. JOHNSTON
1100 W. NORTHWEST HIGHWAY
ROOM 206
MT. PROSPECT, IL 60056
Assignment: 4
Reel/Frame:004651/0247   Pages: 1
Recorded: 01/09/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RICHARDSON, PAUL F.
Exec Dt:
09/12/1985
2
BHATTACHARYYA, BHUPATI R.
Exec Dt:
09/12/1985
Assignee
1
ALCO CHEMICAL COMPANY
A DE CORP
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4673511
NONE
06781614
Correspondence name and address
NALCO CHEMICAL COMPANY
PATENT & LICENSING DEPT.
ONE NALCO CENTER
NAPERVILLE, IL 60566-1024
OAK BROOK, IL 60521
Assignment: 5
Reel/Frame:004486/0406   Pages: 1
Recorded: 11/21/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
11/14/1985
Assignee
1
NALCO CHEMICAL COMPANY, A CORP OF DELAWARE
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4806345
NONE
06800471
Correspondence name and address
JOAN I. NOREK
ONE NORTH LASALLE ST.
CHICAGO, IL 60602
Assignment: 6
Reel/Frame:004621/0135   Pages: 1
Recorded: 08/15/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
08/08/1986
2
SRIVATSA, SANJAY R.
Exec Dt:
08/08/1986
3
DWYER, MICHAEL L.
Exec Dt:
08/08/1986
Assignee
1
NALCO CHEMICAL COMPANY
A DE. CORP.
NAPERVILLE, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4715962
NONE
06896791
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL CO.
ONE NALCO CENTER
NAPERVILLE, IL 60566-1024
Assignment: 7
Reel/Frame:005065/0127   Pages: 1
Recorded: 04/20/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
03/13/1989
2
ST. JOHN, MICHAEL R.
Exec Dt:
03/14/1989
Assignee
1
NALCO CHEMICAL COMPANY, A DELAWARE CORP.
NAPERVILLE, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5051487
NONE
07325841
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL CO.
ONE NALCO CENTER
NAPERVILLE, IL 60566-1024
Assignment: 8
Reel/Frame:005791/0063   Pages: 3
Recorded: 08/05/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
10/16/1989
2
ST. JOHN, MICHAEL R.
Exec Dt:
10/16/1989
Assignee
1
NALCO CHEMICAL COMPANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5068297
NONE
07427454
Correspondence name and address
WALLENSTEIN, WAGNER & HATTIS, LTD.,
311 SOUTH WACKER DR.-53RD FLOOR
CHICAGO, IL 60606
Assignment: 9
Reel/Frame:005216/0463   Pages: 1
Recorded: 01/23/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
12/19/1989
Assignee
1
NALCO CHEMICAL COMPANY
A DE CORP.
NAPERVILLE, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5100582
NONE
07458437
Correspondence name and address
JAMES B. KINZER
55 EAST MONROE STREET
SUITE 3905
CHICAGO, IL 60603
Assignment: 10
Reel/Frame:006583/0807   Pages: 3
Recorded: 07/01/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BHATTACHARYYA, BHUPATI R.
Exec Dt:
10/14/1991
2
SRAMEK, JOHN A.
Exec Dt:
10/14/1991
Assignee
1
NALCO CHEMICAL COMPANY
PATENT & LICENSING DEPT.
ONE NALCO CENTER NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4806345
NONE
06800471
Correspondence name and address
JOSEPH B. BARRETT
PATENT & LICENSING DEPT.
NALCO CHEMICAL
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198

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