LACLEDE PROFESSIONAL PRODUCTS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5718886 Stabilized anhydrous tooth whitening gelExpiredDec 23, 96Feb 17, 98[A61K, A61C]
5631000 Anhydrous tooth whitening gelExpiredMar 11, 96May 20, 97[A61K, A61C]
4626558 Dental impression composition containing finely sized polyacrylamideExpiredOct 10, 85Dec 02, 86[A61K]
4578265 Di-enzymatic dentifriceExpiredAug 13, 81Mar 25, 86[A61K]
4564519 Di-enzymatic chewable dentifriceExpiredDec 08, 83Jan 14, 86[A61K]
4515913 Dental impression compositionExpiredNov 14, 83May 07, 85[A61K]
4468484 Settable alignate compositions containing polyacrylamideExpiredMay 02, 83Aug 28, 84[A61K]
4381947 Settable alginate compositionsExpiredMay 17, 82May 03, 83[C08L]
4291025 Agar gel topical dressingExpiredApr 11, 80Sep 22, 81[A61K, A01N]
4269822 Antiseptic dentifriceExpiredAug 29, 80May 26, 81[A61K]

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