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PROCESS FOR THE PREPARATION OF PRESSURE-SENSITIVE COPYING PAPERS
US 3,447,945 A
Filed
: 04/05/1967
Issued
: 06/03/1969
Est. Priority Date
: 04/09/1966
Status: Expired due to Term
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Current Assignee
Imamiya Hitoshi
,
Katayama Shizuo
,
Mishima Shizuo
Original Assignee
Imamiya Hitoshi
,
Katayama Shizuo
,
Mishima Shizuo
Inventors
MISHIMA SHIZUO
,
KATAYAMA SHIZUO
,
IMAMIYA HITOSHI
Application Number
US04/628,570
Time in Patent Office
790 Days
Field of Search
US Class Current
427/150
CPC Class Codes
B01J 13/206
Hardening; drying
B41M 5/165
characterised by the use of...
Y10T 428/249963
And a force disintegratable...
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