Novartis Ag

Achim M&uuml;ller

Peter Hagmann

Peter Herbrechtsmeier

Bernhard Seiferling

Roger Biel

Axel Heinrich

Harald Bothe

John Golby

Otto Kretzschmar

Sharla Borghorst

Werner Steffan

Egbert Jux

Anette Therese Lang-Sch&ouml;ll

Wilhelm H&ouml;rner

Iris Jlona Leder-Br&uuml;ck

The invention tackles the problem of improving the production process for contact lenses further, so that the production costs for contact lenses can be reduced further and the production capacities can be increased. To this end, provision is made for the two mould halves, which together form the mould for producing a contact lens, to be fixed to each other and/or detachably connected to each other by means of individual half-mould guide. In conjunction with a cyclic production process, a high degree of automation can be achieved in this way.

Single mould alignment

The present invention describes novel statistical copolymers and the preparation and possible uses thereof. Copolymers are described that are water-soluble and cross-linkable and that comprise the copolymerization product of a monomer mixture consisting substantially of a vinyl lactam (a) and at least one further vinyl monomer (b) of a different type selected from the group consisting of hydrophobic, hydrophilic and functional vinyl monomers, wherein the monomers are present in the copolymer in the form of statistically distributed building blocks, and, if a functional vinyl monomer is present as a building block in the copolymer, that building block is, where appropriate, modified with a reactive vinyl monomer (c), the reactive vinyl monomer (c) being linked to a building block of a functional vinyl monomer with retention of its vinylic group and with the formation of a covalent bond.

Cross-linkable copolymers and hydrogels

Growing community of inventors

Grossostheim, Germany

Achim Müller

Growing community of inventors

Grossostheim, Germany

Achim M&uuml;ller

Achim Müller