ISP Chemicals Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5707993 Glycine anhydride dimethylol as a biocide and preservativeExpiredMay 10, 93Jan 13, 98[A61K, A01N]
5593681 Glycine anhydride dimethylol as a biocide and preservativeExpiredApr 24, 95Jan 14, 97[A61K]
5470875 Water soluble, antimicrobial compositions of polyhexamethylene biguanide and iodopropynylbutyl carbamateExpiredJan 06, 95Nov 28, 95[A61K, A01N, A61L]
5244653 Glycine anhydride dimethylol as a biocide and preservativeExpiredMay 01, 91Sep 14, 93[A61K, A01N]

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