IP Library › Patent Application 09744699
Patent Application Utility PCT National Stage
App. No. 09/744,699 · Confirmation No. 3306

PROCESS FOR THE CONCENTRATION OF DILUTE SULPHURIC ACID SOLUTIONS

Inventor: James Henry Bush
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2001-01-29 TRNA Transmittal of New Application 13 View
2001-01-29 TRNA Transmittal of New Application 13 View
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Quick Facts
App. No.
09/744,699
Filed
2001-01-29
Granted
2003-04-15
Art Unit
1754
PTA
0 days