Bioerodible polyorthoesters containing hydrogen bonding groups

• US 20020176844A1
• Filed: 05/11/2001
• Published: 11/28/2002
• Est. Priority Date: 05/11/2001
• Status: Abandoned Application

• Current Assignee: A.P. Pharma Incorporated
• Original Assignee: A.P. Pharma Incorporated
• Inventors: Heller, Jorge, Ng, Steven Y.
• Application Number:
  US09/854,435
• Publication Number:
  US 20020176844A1
• Time in Patent Office: Days
• US Class Current: 424/78.38
• CPC Class Codes: A61L 27/18 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• CPC Class Codes: C08G 2650/42 containing orthoester groups
• CPC Class Codes: C08G 4/00 Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O— of cyclic oligomers of aldehydes C08G2/00
• CPC Class Codes: C08G 65/002 from unsaturated compounds unsaturated oxiranes C08G65/14
• CPC Class Codes: C08G 65/34 from hydroxy compounds or their metallic derivatives C08G65/26 takes precedence
• CPC Class Codes: C08L 67/04 Polyesters derived from hydroxycarboxylic acids, e.g. lactones C08L67/06 takes precedence

Abstract

Bioerodible polyorthoesters useful as orthopedic implants or vehicles for the sustained delivery of pharmaceutical, cosmetic and agricultural agents contain hydrogen bonding groups and α-hydroxy acid-containing groups.

Claims