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Microscopic capsules containing magnetizable material
US 2,971,916 A
Filed
: 01/30/1957
Issued
: 02/14/1961
Est. Priority Date
: 01/30/1957
Status: Expired due to Term
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Current Assignee
Charles S. Baughman
,
Lowell Schleicher
Original Assignee
Charles S. Baughman
,
Lowell Schleicher
Inventors
Schleicher, Lowell
,
Baughman, Charles S.
Application Number
US03/637,270
Time in Patent Office
1,476 Days
Field of Search
US Class Current
252/62.53
CPC Class Codes
B01J 13/10
Complex coacervation, i.e. ...
B41M 5/165
characterised by the use of...
G03G 19/00
Processes using magnetic pa...
G03G 9/0833
Oxides
G03G 9/0839
Treatment of the magnetic c...
G03G 9/093
Encapsulated toner particles
H01F 1/44
of magnetic liquids, e.g. f...
Y10S 101/37
Printing employing electros...
Y10T 428/2998
including synthetic resin o...
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