Back to results
US 6,440,411 B2Granted
Ophthalmic product colored with blue alga extract
AssigneeNovartis AG
InventorsAnton Scherer, Peter Schwind
Life of this patent
Estimating the term…
Abstract
The present invention is directed to an ophthalmic product comprising, as a colouring agent, the extract of an alga. A preferred class of alga the extract of which is useful in the present invention is blue alga (Spirulina type), more preferred it is Japanese blue alga (Spirulina platensis). The ophthalmic product is preferably a contact lens care product.
Claims6
An ophthalmic product comprising,
- a hydrogen peroxide disinfecting solution and
- a tablet comprising catalase for the decomposition of the disinfecting solution and an extract of a blue alga as a colouring agent.
Dependencies are inferred from the claim text.