Back to results
US 7,309,482 B2Granted
Long lasting waterproof sunscreen comprising metal oxide and peptide conditioner
AssigneeE.I. du Pont de Nemours and Company
InventorsJanine Buseman-Williams, Xueying Huang, Hong Wang, Gary Ken Whiting
Life of this patent
Estimating the term…
Abstract
The disclosure provides a sunscreen formulation comprising a peptide-based metal oxide sunscreen agent, such as titanium dioxide nanoparticles, and a fluid vehicle.
Claims30
A sunscreen formulation comprising:
- (a) a peptide-based metal oxide sunscreen agent having a general structure selected from the group consisting of:
- (i) (SBP)n-SSA, and
- (ii) [(SBP)m-S]n- SSA,
- wherein:
- (A) SBP is a skin-binding peptide,
- (B) S is a spacer having first and second ends,
- (C) SSA is a metal oxide sunscreen agent,
- (D) n ranges from 1 to about 1,000, and
- (E) m ranges from 1 to about 50;
- and
- (b) a fluid vehicle.
8 more elements
Dependencies are inferred from the claim text.