Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate
2005-01-24
2009-02-24
Jean, Frantz B (Department: 2154)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Demand based messaging
C709S207000, C713S176000
Reexamination Certificate
active
07496635
ABSTRACT:
A system, method and program product for securing online chat conversations. The disclosed method includes the steps of capturing a chat conversation into an image file; adding a watermark to the image file; extracting the watermark from the watermarked image file; and validating the watermark.
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Kim Steven P.
Moraes Francisco I.
Hoffman Warnick LLC
International Business Machines - Corporation
Irving David
Jean Frantz B
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