IP Library Granted Patent US 6,500,237
Granted Patent Utility Small
US 6,500,237 · Confirmation No. 3365

REMOVING HYDROGEN SULFIDE FROM A GASEOUS MIXTURE USING FERRIC IONS BONDED TO CALCINED DIATOMITE

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Code Description Pages PDF
2017-08-28 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2017-08-28 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2001-02-07 TRNA Transmittal of New Application 3 View
2001-02-07 SPEC Specification 13 View
2001-02-07 CLM Claims 5 View
2001-02-07 ABST Abstract 1 View
2001-02-07 OATH Oath or Declaration filed 5 View
2001-02-07 TRNA Transmittal of New Application 3 View
2001-02-07 SPEC Specification 13 View
2001-02-07 CLM Claims 5 View
2001-02-07 ABST Abstract 1 View
2001-02-07 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,500,237
App. No.
09/777,840
Filed
2001-02-07
Granted
2002-12-31
Pub. No.
US20010005981A1
Art Unit
1724
PTA
0 days