IP Library Granted Patent US 6,652,642
Granted Patent Utility
US 6,652,642 · Confirmation No. 4170

CALCINED KAOLIN PIGMENTS HAVING IMPROVED COMBINATION OF PHYSICAL AND APPLIED PROPERTIES, THEIR PRODUCTION AND USE

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Code Description Pages PDF
2003-07-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-16 TRNA Transmittal of New Application 5 View
2002-01-16 DRW Drawings-only black and white line drawings 68 View
2002-01-16 OATH Oath or Declaration filed 2 View
2001-10-17 TRNA Transmittal of New Application 2 View
2001-10-17 SPEC Specification 53 View
2001-10-17 CLM Claims 10 View
2001-10-17 ABST Abstract 1 View
2001-10-17 DRW Drawings-only black and white line drawings 68 View
2001-10-17 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,652,642
App. No.
09/978,203
Filed
2001-10-17
Granted
2003-11-25
Pub. No.
US20020088376A1
Art Unit
1755
PTA
0 days