Patent ID: 11904042
Assignee: HFC PRESTIGE INTERNATIONAL HOLDING SWITZERLAND S.A.R.L.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A

Claim 8:
9. The composition of claim 8, wherein the film former is carboxylic acid polymer, and wherein:
the carboxylic acid polymer comprises a (meth)acrylic acid homopolymer or copolymer or terpolymer;
the homopolymer comprises monomeric units of (meth)acrylic acid and optional carboxyl derivatives thereof;
the copolymer or terpolymer comprises monomeric units of (meth)acrylic acid and monomeric units selected from the groups consisting of one or more (meth)acrylate esters, one or more (meth)acrylamides, carboxyl derivatives of (meth)acrylic acid and monomeric units of neutral olefins and any combination thereof;
the carboxylic acid polymer has an acid value of from about 0.01 to about 700;
the carboxylic acid polymer is optionally at least partially neutralized with a base;
the carboxylic acid polymer has a glass transition temperature in the solid state of from about −60° C. to about 90° C.;
the carboxylic acid polymer has a weight average molecular weight in the range of about 300 Da to about 10 MDa.