Invention Grant
- Patent Title: Polymeric quaternium compounds
- Patent Title (中): 聚合季铵化合物
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Application No.: US12758860Application Date: 2010-04-13
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Publication No.: US08349303B1Publication Date: 2013-01-08
- Inventor: Eric Phillips , Jay F. Kunzler , Alok Kumar Awasthi
- Applicant: Eric Phillips , Jay F. Kunzler , Alok Kumar Awasthi
- Applicant Address: US NY Rochester
- Assignee: Bausch & Lomb Incorporated
- Current Assignee: Bausch & Lomb Incorporated
- Current Assignee Address: US NY Rochester
- Agent Joseph Barrera
- Main IPC: A61K31/74
- IPC: A61K31/74
Abstract:
A topical pharmaceutical composition comprising a pharmaceutical active and a polymer of general formula I or general formula II wherein Ck is a saturated or unsaturated, five, six or seven-membered ring; R is a C1-C3alkyl; n is 1, 2, 3, 4 or 5 and m provides a number average molecular weight of the polymer of from 2000 to 80,000.
Information query
