Patent assignee · CA · COMPANY

Labopharm Inc.

16Patents
4Active
16Granted
39Portfolio score

Filing activity: Mar 25, 1993 → Sep 16, 2008 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6338859B1 Polymeric micelle compositions Emerging Cross-Sectional Technologies 83 Expired
US6939564B2 Water-soluble stabilized self-assembled polyelectrolytes Chemistry; Metallurgy 42 Expired
US7018655B2 Amphiphilic diblock, triblock and star-block copolymers and their pharmaceutical compositions Chemistry; Metallurgy 42 Expired
US5456921A Use of cross-linked amylose as a matrix for the slow release of biologically active compounds Human Necessities 36 Expired
US6780324B2 Preparation of sterile stabilized nanodispersions Human Necessities 32 Expired
US5603956A Cross-linked enzymatically controlled drug release Human Necessities 31 Expired
US7094810B2 pH-sensitive block copolymers for pharmaceutical compositions Human Necessities 29 Expired
US6780428B2 Unimolecular polymeric micelles with an ionizable inner core Performing Operations; Transporting 26 Expired
US5616343A Cross-linked amylose as a binder/disintegrant in tablets Human Necessities 24 Expired
US7510731B2 Water-soluble stabilized self-assembled polyelectrolytes Chemistry; Metallurgy 23 Active
US5885615A Pharmaceutical controlled release tablets containing a carrier made of cross-linked amylose and hydroxypropylmethylcellulose Human Necessities 14 Expired
US6419957B1 Cross-linked high amylose starch having functional groups as a matrix for the slow release of pharmaceutical agents Human Necessities 14 Expired
US7829120B2 Trazodone composition for once a day administration Human Necessities 7 Active
US7838600B2 Process for the preparation of amphiphilic poly(N-vinyl-2-pyrrolidone) block copolymers Chemistry; Metallurgy 4 Active
US7262253B2 Process for the preparation of amphiphilic poly (N-vinyl-2-pyrrolidone) block copolymers Chemistry; Metallurgy 4 Expired
US7988998B2 Sustained-release tramadol formulations with 24-hour efficacy Human Necessities 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.