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App. No. 09/846,635 · Confirmation No. 4847

METHODS TO ENHANCE PULP BLEACHING AND DELIGNIFICATION USING AN ORGANIC SULFIDE CHELATING AGENT

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
09/846,635
Filed
2001-05-01
Granted
2004-03-09
Pub. No.
US20030085008A1
Examiner
ALVO, MARC S
Art Unit
1731
PTA
-70 days