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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
03/29/1994
Application #:
07853179
Filing Dt:
03/17/1992
Inventors:
WOLFGANG LEONHARDT, ROLAND BERGMANN
Title:
AQUEOUS STABLE SUSPENSION OF WATER-INSOLUBLE SILICATES CAPABLE OF BINDING CALCIUM IONS AND THEIR USE FOR THE PRODUCTION OF WASHING AND CLEANING AGENTS
Assignment: 1
Reel/Frame:
006135/0329Recorded: 05/20/1992Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
05/07/1992
Exec Dt:
05/07/1992
Assignee:
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Correspondent:
CUSHMAN, DARBY & CUSHMAN
LAWRENCE A. HYMO
1615 L STREET, N.W.
WASHINGTON, DC 20036-5601
Assignment: 2
Reel/Frame:
010719/0914Recorded: 04/18/2000Pages: 17
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/09/1998
Assignee:
WEISSFRAUENSTRASSE 9
60311 FRANKFURT AM MAIN, GERMANY
Correspondent:
SMITH, GAMBRELL & RUSSELL, LLP
ROBERT G. WEILACHER
SUITE 800, 1850 M STREET, N.W.
WASHINGTON, D.C. 20036

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