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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : KOTWICA, ROLAND
Total Assignments: 8
Assignment: 1
Reel/Frame:004138/0006   Pages: 1
Recorded: 06/14/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KOTWICA, ROLAND
Exec Dt:
05/27/1981
Assignee
1
SOCIETE CHIMIQUES DES CHARBONNAGES
TOUR AURORE - PLACE DES REFLETS - CEDEX N 5
PARIS LE DEFENSE, FRANCE F-92080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4414398
NONE
06272819
Correspondence name and address
MILLEN AND WHITE
503 CRYSTAL MALL, BLDG. 1
1911 JEFF. DAVIS HWY.
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:004022/0208   Pages: 1
Recorded: 08/04/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KOTWICA, ROLAND
Exec Dt:
06/09/1982
Assignee
1
SOCIETE CHIMIQUE DES CHARBONNAGES-CDF CHIMIE
TOUR AURORE - PLACE DES REFLETS - CEDEX NO5
F-92080 PARIS LA DEFENSE 2, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4469169
NONE
06388698
Correspondence name and address
FINNEGAN, HENDERSON, FARABOW,
GARRETT & DUNNER
1775 K ST., N. W.
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:009720/0640   Pages: 2
Recorded: 01/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONTRACTOR, RASHMIKANT MAGANLAL
Exec Dt:
10/09/1998
2
ANDERSEN, MARK WILLIAM
Exec Dt:
10/16/1998
3
MYERS, JEAN B.
Exec Dt:
10/10/1998
4
HECQUET, GERARD
Exec Dt:
12/14/1998
5
KOTWICA, ROLAND
Exec Dt:
12/03/1998
6
STOJANOVIC, MIREILLE
Exec Dt:
12/03/1998
7
PHAM, CHARLOTTE
Exec Dt:
11/27/1998
8
SIMON, MICHEL
Exec Dt:
11/27/1998
Assignees
1
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
2
ELF ATOCHEM, S.A.
LA DEFENSE 10
4 & 8 COURS MICHELET
92800 PUTEAUX, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6281384
NONE
09105497
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
ROBERT B. STEVENSON
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19808
Assignment: 4
Reel/Frame:010772/0633   Pages: 3
Recorded: 04/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONTRACTOR, RASHMIKANT MAGANLAL
Exec Dt:
02/05/1999
2
ANDERSON, MARK WILLIAM
Exec Dt:
02/18/1999
3
CAMPOS, DANIEL
Exec Dt:
02/05/1999
4
HECQUET, GERARD
Exec Dt:
02/22/2000
5
KOTWICA, ROLAND
Exec Dt:
03/02/2000
6
PHAM, CHARLOTTE
Exec Dt:
02/22/2000
7
SCHIRMANN, JEAN-PIERRE
Exec Dt:
03/12/2000
8
SIMON, MICHEL
Exec Dt:
02/23/2000
9
STOJANOVIC, MIREILLE
Exec Dt:
02/23/2000
Assignees
1
E. I. DU PONT DE NEMORUS AND COMPANY
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
2
ELF ATOCHEM S.A.
LADEFENSE 10
4 & 8 COURS MICHELET
92800 PUTEAUX, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6310240
NONE
09219944
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
ROBERT B. STEVENSON
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 5
Reel/Frame:011981/0162   Pages: 6
Recorded: 07/12/2001
Conveyance: CORRECTION OF INVENTOR NAME SPELLING
Assignors
1
CONTRACTOR, RASHMIKANT MAGANLAL
Exec Dt:
02/05/1999
2
ANDERSEN, MARK WILLIAM
Exec Dt:
02/18/1999
3
CAMPOS, DANIEL
Exec Dt:
02/05/1999
4
HECQUET, GERARD
Exec Dt:
02/22/2000
5
KOTWICA, ROLAND
Exec Dt:
03/02/2000
6
PHAM, CHARLOTTE
Exec Dt:
02/22/2000
7
SCHIRMANN, JEAN-PIERRE
Exec Dt:
03/12/2000
8
SIMON, MICHEL
Exec Dt:
02/22/2000
9
STAJANOVIC, MIREILLE
Exec Dt:
02/23/2000
Assignees
1
E.I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
2
ELF ATOCHEM S.A.
LADEFENSE 10
4 & 8 COURS MICHELET
92800 PUTEAUX, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6310240
NONE
09219944
Correspondence name and address
E.I. DU PONT DE NEMOURS & COMPANY
FREDERICK D. STRICKLAND
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 6
Reel/Frame:011151/0912   Pages: 3
Recorded: 09/22/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONTRACTOR, RASHMIKANT MAGANLAL
Exec Dt:
05/04/2000
2
ANDERSEN, MARK WILLIAM
Exec Dt:
05/18/2000
3
CAMPOS, DANIEL
Exec Dt:
05/04/2000
4
HECQUET, GERARD
Exec Dt:
04/11/2000
5
KOTWICA, ROLAND
Exec Dt:
04/14/2000
6
PHAM, CHARLOTTE
Exec Dt:
04/15/2000
7
SIMON, MICHEL
Exec Dt:
04/15/2000
8
STOJANOVIC, MIREILLE
Exec Dt:
04/20/2000
Assignees
1
E. I. DU PONT NEMOURS AND COMPANY
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
2
ELF ATOCHEM S. A.
LEGAL PATENTS
4 & 8 COURS MICHELET LA DEFENSE 10
92800 PUTEAUX, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6437193
NONE
09543835
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
ROBERT B. STEVENSON
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Assignment: 7
Reel/Frame:010950/0595   Pages: 2
Recorded: 07/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTWICA, ROLAND
Exec Dt:
06/08/2000
2
MARBACH, ANDRE'
Exec Dt:
06/16/2000
Assignee
1
ELF ATOCHEM S.A.
4/8 COURS MICHELET
F-92800 PUTEAUX, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6579419
NONE
09555671
Correspondence name and address
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
I. WILLIAM MILLEN
2200 CLARENDON BLVD., SUITE 1400
ARLINGTON, VA 22201
Assignment: 8
Reel/Frame:011026/0780   Pages: 3
Recorded: 08/02/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTWICA, ROLAND
Exec Dt:
06/08/2000
2
MARBACH, ANDRE
Exec Dt:
06/16/2000
Assignee
1
ELF ATOCHEM S.A.
4/8, COURS MICHELET
F-92800 PUTEAUX, FRANCE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6479719
NONE
09555642
Correspondence name and address
MILLEN, WHITE ET AL
ANTHONY J. ZELANO
2200 CLARENDON BLVD., SUITE 1400
ARLINGTON, VA 22201

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