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HEAT RESISTANT POLYPROPYLENE
US 3,485,660 A
Filed
: 02/15/1966
Issued
: 12/23/1969
Est. Priority Date
: 02/15/1966
Status: Expired due to Term
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Current Assignee
Engelhardt Friedrich J O
Original Assignee
Engelhardt Friedrich J O
Inventors
ENGELHARDT FRIEDRICH J O
Application Number
US04/529,183
Time in Patent Office
1,407 Days
Field of Search
US Class Current
428/447
CPC Class Codes
C08J 2323/30
by oxidation
C08J 2351/00
Characterised by the use of...
C08J 2483/00
Characterised by the use of...
C08J 7/0427
with only one layer of a co...
C08J 7/12
Chemical modification
C08J 7/16
with polymerisable compounds
Y10T 428/31663
As siloxane, silicone or si...
Y10T 428/31667
Next to addition polymer fr...
Y10T 428/31855
Of addition polymer from un...
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