IP Library › Granted Patent US 6,533,859
Granted Patent Utility
US 6,533,859 · Confirmation No. 7463

SURFACE TREATED CARBON BLACK HAVING IMPROVED DISPERSABILITY IN RUBBER AND COMPOSITIONS OF RUBBER THEREFROM HAVING IMPROVED PROCESSABILITY, RHEOLOGICAL AND DYNAMIC MECHANICAL PROPERTIES

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2020-02-10 MFEE.C.AD Maintenance Fee Address Change 2 View
2020-02-10 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-21 TRNA Transmittal of New Application 2 View
2001-05-21 SPEC Specification 21 View
2001-05-21 CLM Claims 5 View
2001-05-21 ABST Abstract 1 View
2001-05-21 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,533,859
App. No.
09/861,929
Filed
2001-05-21
Granted
2003-03-18
Pub. No.
US20020014185A1
Art Unit
1755
PTA
-120 days