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Patent Assignment Assignor Details
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Assignor Name : BUCHWALD, HANS
Total Assignments: 21
Assignment: 1
Reel/Frame:004202/0340   Pages: 1
Recorded: 11/20/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
11/22/1983
2
RASCHKOWSKI, BOLESLAUS
Exec Dt:
11/22/1983
Assignee
1
KALI-CHEMIE AG HANS-BOECKLER-ALLE 20 D-3000 HANOVER 1, GERMANY
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4492641
NONE
06556393
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & KOCH
111 NORTH ALFRED ST.
P. O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 2
Reel/Frame:004321/0155   Pages: 1
Recorded: 09/28/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FEIST, HEINZ-RUDI
Exec Dt:
09/17/1984
2
BUCHWALD, HANS
Exec Dt:
09/17/1984
3
RASCHKOWSKI, BOLESLAUS
Exec Dt:
09/17/1984
4
RUDOLPH, WERNER
Exec Dt:
09/17/1984
Assignee
1
KALI-CHEMIE AKTIENGESELLSCHAFT POSTFACH
220, HANS-BOCKLER
ALLEE 20, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4659493
NONE
06655568
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & KOCH
111 NORTH ALFRED STREET
P. O. BOX 299
ALEXANDRIA, VA 22313
Assignment: 3
Reel/Frame:004679/0518   Pages: 1
Recorded: 03/11/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
03/09/1987
2
RASCHKOWSKI, BORESLAUS
Exec Dt:
03/09/1987
3
SINGER, DIETER
Exec Dt:
03/09/1987
Assignee
1
KALI-CHEMIE AKTIENGESELLSCHAFT, D-3000 HANNOVER,
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4770714
NONE
07025974
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB,
MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 4
Reel/Frame:004844/0448   Pages: 1
Recorded: 01/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
01/25/1988
2
RASCHKOWSKI, BOLESLAUS
Exec Dt:
01/25/1988
3
SINGER, DIETER
Exec Dt:
01/25/1988
Assignee
1
KALI-CHEMIE AKTIENGESELLSCHAFT
HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4906304
NONE
07148953
Correspondence name and address
SCHWARTZ, JEFFERY, SCHWAAB, MACK,
BLUMENTHAL & EVANS
P. O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 5
Reel/Frame:004934/0524   Pages: 1
Recorded: 09/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
09/05/1988
2
RASCHKOWSKI, BOLESLAUS
Exec Dt:
09/05/1988
Assignees
1
KALI-CHEMIE AKTIENGESELLSCHAFT, POSTFACH 220, D-3000 HANNOVER FED. REP. OF GERMANY
2
LUBRIZOL CORPORATION
29400 LAKELAND BLVD. WICKLIFFE, OHIO 44092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4995908
NONE
07241469
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 6
Reel/Frame:005213/0500   Pages: 1
Recorded: 01/04/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
01/02/1990
2
RASCHKOWSKI, BOLESLAUS
Exec Dt:
01/02/1990
3
SINGER, DIETER
Exec Dt:
01/02/1990
Assignee
1
KALI-CHEMIE AG
POSTFACH 220
HANS-BOECKLER-ALLEE 20
HANNOVER, GERMANY D-3000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5114609
NONE
07461117
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P. O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 7
Reel/Frame:005269/0607   Pages: 1
Recorded: 03/28/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
03/06/1990
2
RASCHKOWSKI, BOLESLAUS
Exec Dt:
03/06/1990
Assignee
1
KALI-CHEMIE AG
POSTFACH 220, HANS-BOECKLER-ALLEE 20,
D-3000 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5087285
NONE
07481151
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 8
Reel/Frame:005382/0946   Pages: 2
Recorded: 07/11/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
07/09/1990
2
BRACKMANN, ANDREAS
Exec Dt:
07/09/1990
3
RASCHKOWSKI, BOLESLAUS
Exec Dt:
07/09/1990
Assignee
1
KALI-CHEMIE AG
POSTFACH 220 HANS-BOECKLER-ALLEE 20
D-3000 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5112517
NONE
07550975
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 9
Reel/Frame:005526/0088   Pages: 2
Recorded: 11/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
11/01/1990
2
BRACKMANN, ANDREAS
Exec Dt:
11/01/1990
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
11/01/1990
4
LAUER, DIETER
Exec Dt:
11/01/1990
Assignee
1
KALI-CHEMIE AG,
POSTFACH 220 HANS-BOECKLER-ALLEE 20
HANNOVER, GERMANY D-3000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5135676
NONE
07611884
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 10
Reel/Frame:005666/0338   Pages: 2
Recorded: 04/05/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
02/04/1991
2
BRACKMANN, ANDREAS
Exec Dt:
02/04/1991
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
02/04/1991
Assignee
1
KALI-CHEMIE AG
POSTFACH 220 HANS-BOECKLER-ALLEE 20
D-3000 HANNOVER, FED. REP. OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5102469
NONE
07661307
Correspondence name and address
J. D. EVANS
FOLEY & LARDNER
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 11
Reel/Frame:005664/0330   Pages: 2
Recorded: 04/01/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
03/20/1991
2
BRACKMANN, ANDREAS
Exec Dt:
03/23/1991
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
03/20/1991
Assignee
1
KALI-CHEMIE AG
POSTFACH 220, HANS-BOECKLER-ALLEE 20
D-3000 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5120462
NONE
07678432
Correspondence name and address
J. D. EVANS
FOLEY & LARDNER
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 12
Reel/Frame:005825/0248   Pages: 2
Recorded: 08/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
08/23/1991
2
BRACKMANN, ANDREAS
Exec Dt:
08/23/1991
3
RASCHKOWSKI, BOLESLAUS
Exec Dt:
08/23/1991
Assignee
1
KALI-CHEMIE AG
POSTFACH 220
HANS-BOECKLER-ALLEE 20
D-3000 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5271861
NONE
07750300
Correspondence name and address
FOLEY & LARDNER, SCHWARTZ, JEFFERY,
SCHWAAB, MACK, BLUMENTHAL & EVANS
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 13
Reel/Frame:006339/0622   Pages: 2
Recorded: 08/25/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUCHWALD, HANS
Exec Dt:
07/07/1992
2
HELLMANN, JOACHIM
Exec Dt:
07/07/1992
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
07/07/1992
4
BARTHELEMY, PIERRE
Exec Dt:
07/30/1992
5
PAULUS, MIREILLE
Exec Dt:
07/30/1992
Assignee
1
SOLVLAY FLUOR UND DERIVATE GMBH
POSTFACH 2 20 HANS-BOECKLER-ALLEE
20 3000 HANNOVER 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5300253
NONE
07922528
Correspondence name and address
J.D. EVANS
FOLEY & LARDNER
P.O. BOX 299
ALEXANDRIA, VA 22313-0299
Assignment: 14
Reel/Frame:006287/0599   Pages: 4
Recorded: 10/02/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARTHELEMY, PIERRE
Exec Dt:
09/15/1992
2
PAULUS, MIREILLE
Exec Dt:
09/15/1992
3
BUCHWALD, HANS
Exec Dt:
09/15/1992
4
HELLMANN, JOACHIM
Exec Dt:
09/15/1992
5
RASZKOWSKI, BOLESLAUS
Exec Dt:
09/15/1992
Assignee
1
SOLVAY
RUE DU PRINCE ALBERT, 33
B-1050 BRUSSELS, BELGIUM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5336429
NONE
07923689
Correspondence name and address
SPENCER, FRANK & SCHNEIDER
GEORGE H. SPENCER
1111 19TH STREET, N.W.
WASHINGTON, D.C. 20036
Assignment: 15
Reel/Frame:006601/0450   Pages: 2
Recorded: 06/01/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUCHWALD, HANS
Exec Dt:
03/09/1993
2
HELLMANN, JOACHIM
Exec Dt:
03/09/1993
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
03/30/1993
4
BARTH-ELEMY, PIERRE
Exec Dt:
03/22/1993
5
PAULUS, MIREILLE
Exec Dt:
03/22/1993
Assignee
1
SOLVAY FLUOR UND DERIVATE GMBH
POSTFACH 2 20
HANS-BOECKLER-ALLEE 20
HANNOVER 1, GERMANY 3000
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5393442
NONE
08038944
Correspondence name and address
JOSEPH D. EVANS
EVENSON, MCKEOWN, EDWARDS & LENAHAN
1200 G STREET, N.W., STE. 700
WASHINGTON, DC 20005
Assignment: 16
Reel/Frame:006675/0890   Pages: 3
Recorded: 08/05/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DORING, REINHOLD
Exec Dt:
07/13/1993
2
BUCHWALD, HANS
Exec Dt:
06/21/1993
3
VON EYNATTEN, CHRISTOPH
Exec Dt:
06/21/1993
Assignee
1
SOLVAY FLUOR UND DERIVATE GMBH
HANS-BOECKLER-ALLEE 20
D-3000 HANNOVER 1 FEDERAL REPUBLIC OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5429760
NONE
08089829
Correspondence name and address
J. D. EVANS
EVENSON, MCKEOWN, EDWARDS & LENAHAN
1200 G STREET, N.W.
SUITE 700
WASHINGTON, DC 20005
Assignment: 17
Reel/Frame:006818/0054   Pages: 4
Recorded: 12/14/1993
Conveyance: CORRECTIVE ASSIGNMENT
Assignors
1
DOERING, REINHOLD
Exec Dt:
07/13/1993
2
BUCHWALD, HANS
Exec Dt:
06/21/1993
3
VON EYNATTEN, CHRISTOPH
Exec Dt:
06/21/1993
Assignee
1
SOLVAY FLUOR UND DERIVATE GMBH
D-3000 HANNOVER 1, GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5429760
NONE
08089829
Correspondence name and address
EVENSON, MCKEOWN, EDWARDS & LENAHAN
J. D. EVANS
1200 G STREET, N.W.
SUITE 700
WASHINGTON, D.C. 20005
Assignment: 18
Reel/Frame:007047/0535   Pages: 2
Recorded: 06/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUCHWALD, HANS
Exec Dt:
06/15/1994
2
HELLMANN, JOACHIM
Exec Dt:
06/15/1994
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
06/15/1994
Assignee
1
SOLVAY FLUOR UND DERIVATE GMBH
HANS-BOECKLER-ALLEE 20
D-30173 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5476603
NONE
08262930
Correspondence name and address
J. D. EVANS
EVENSON, MCKEOWN, EDWARDS ET AL.
1200 G STREET, N.W., SUITE 700
WASHINGTON, DC 20005
Assignment: 19
Reel/Frame:007753/0747   Pages: 2
Recorded: 07/06/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUCHWALD, HANS
Exec Dt:
06/28/1995
2
HELLMAN, JOACHIM
Exec Dt:
06/28/1995
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
06/28/1995
Assignee
1
SOLVAY FLUOR UND DERIVATE GMBH
HANS-BOECKLER-ALLEE 20
D-30173 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5674825
NONE
08498770
Correspondence name and address
EVENSON, MCKEOWN, EDWARDS & LENAHAN
J. D. EVANS
1200 G STREET, N.W., SUITE 700
WASHINGTON, D.C. 20005
Assignment: 20
Reel/Frame:007683/0245   Pages: 2
Recorded: 09/27/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUCHWALD, HANS
Exec Dt:
09/25/1995
2
HELLMANN, JOACHIM
Exec Dt:
09/25/1995
3
RASZKOWSKI, BOLESLAUS
Exec Dt:
09/25/1995
Assignee
1
SOLVAY FLUOR UND DERIVATE GMBH
HANS-BOECKLER-ALLEE 20
D-30173 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5529618
NONE
08534334
Correspondence name and address
EVENSON, MCKEOWN, EDWARDS & LENAHAN
J. D. EVANS
1200 G STREET, N.W., STE. 700
WASHINGTON, D.C. 20005
Assignment: 21
Reel/Frame:008626/0020   Pages: 5
Recorded: 07/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
D'AUBAREDE, BRUNO
Exec Dt:
06/13/1997
2
BALTHASART, DOMINIQUE
Exec Dt:
02/26/1997
3
PAULUS, MIREILLE
Exec Dt:
03/14/1997
4
BARTHELEMY, PIERRE
Exec Dt:
04/10/1997
5
KOENIG, HOLGER
Exec Dt:
04/10/1997
6
LECROC, DOMINIQUE
Exec Dt:
06/11/1997
7
VOGEL, JEAN-PIERRE
Exec Dt:
06/11/1997
8
BUCHWALD, HANS
Exec Dt:
04/10/1997
9
DOERING, REINHOLD
Exec Dt:
05/21/1997
10
HELLMANN, JOACHIM
Exec Dt:
04/10/1997
Assignees
1
SOLVAY (SOCIETE ANONYME)
RUE DU PRINCE ALBERT, 33
BRUSSELS, BELGIUM B-105
2
SOLVAY FLUOR UND DERIVATE GMBH
HANS-BOCKLER-ALLEE 20
D-30173 HANNOVER, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6054064
NONE
08765504
Correspondence name and address
SPENCER & FRANK
GEORGE H. SPENCER
SUITE 300 EAST
1100 NEW YORK AVENUE, N.W.
WASHINGTON, D.C. 20005-3955

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