Preparation of oil-in-water emulsions stabilised with...

Details Preparation of oil-in-water emulsions stabilised with... Preparation of oil-in-water emulsions stabilised with...

2007-06-12

2007-06-12

Hartley, Michael G. (Department: 1618)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

C430S545000, C430S543000, C430S627000, C430S628000, C430S631000

Reexamination Certificate

active

10672040

ABSTRACT:
The invention provides oil-in-water emulsions comprising recombinant collagen-like polymer in an amount sufficient to act as stabiliser of the emulsion. The polymer is especially a polypeptide which is free of helix structure, has an isoelectric point at least 0.5 pH units removed from the pH of the oil-in-water emulsion. Furthermore, amphiphilic recombinant collagen-like polymers are provided for use in oil-in-water emulsions. The amphiphilic polymers are polar at one end as a result of a relative abundance of polar amino acids, and apolar at the other end as a result of a relative abundance of apolar amino acids.

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