Persee Chemical Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 118

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6685820 Method for treating spent tin/lead stripping solutionApr 26, 02Feb 03, 04[C25C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6916428 Photo-chemical remediation of Cu-CMP wasteExpiredOct 03, 03Jul 12, 05[C02F]
5762777 Process of directly electroplating onto a nonconductive substrateExpiredMay 02, 96Jun 09, 98[C25D]

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