Hodgson Process Chemicals, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5985167 Wet treatment of leather hidesExpiredJun 23, 95Nov 16, 99[C14C]
5911901 Leather waterproofing method and compositionExpiredOct 03, 96Jun 15, 99[C14C]
5567205 Wet treatment of leather hidesExpiredJun 06, 95Oct 22, 96[C14C]
5503754 Wet treatment of leather hidesExpiredNov 10, 93Apr 02, 96[C14C]
4491645 Leather treatment compositionExpiredMay 03, 82Jan 01, 85[C08L, C08K]

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