1
Karl F Mueller, Eduard K Kleiner: Polysiloxane hydrogels. Ciba Geigy Corporation, Luther A R Hall, January 23, 1979: US04136250 (505 worldwide citation)

A water-insoluble hydrophilic gel comprising (A) about 20 to about 90% by weight of a hydrophilic (a) polymer of identical or different water-soluble monoolefinic monomers, or (b) copolymer of said water-soluble monomers with 1 to 80% (of total monomers) of water-insoluble, identical or different mo ...


2
Karl F Mueller: Reactive silicone and/or fluorine containing hydrophilic prepolymers and polymers thereof. Ciba Geigy Corporation, Luther A R Hall, April 23, 1991: US05010141 (212 worldwide citation)

Vinyl unsaturated copolymers are described which are obtained in a two-step process and which consist of monomeric units A, B, C, D and E, copolymerized in a first step, and in a second step reacted with a reactive vinyl monomer M.sub.v, and in which A is a siloxane or fluorine containing vinyl mono ...


3
Karl F Mueller, Dieter Lohmann, Robert A Falk: Unsaturated polysiloxanes and polymers thereof. Ciba Geigy Corporation, Luther A R Hall, August 12, 1986: US04605712 (191 worldwide citation)

Polysiloxanes of uniform molecular weight (MW) distribution with 500-10,000 MW segments of polysiloxane and containing at least one vinyl group connected to said polysiloxane segments through intervening alkylene-urea or -urethane linkages are prepared from polysiloxane-polyols, -polyamines or -poly ...


4
Andreas Manz: Apparatus for processing or preparing liquid samples for chemical analysis. Ciba Geigy Corporation, Luther A R Hall, Marla J Mathias, William A Teoli Jr, October 5, 1993: US05250263 (184 worldwide citation)

An apparatus (1) for processing or preparing liquid samples for a preferably quantitative chemical analysis, especially for flow-injection analysis, is, for the purpose of miniaturisation and reducing the necessary sample volume while at the same time reducing the analysis time, assembled from a set ...


5
Karl F Mueller: Dimethylacrylamide-copolymer hydrogels with high oxygen permeability. Ciba Geigy Corporation, Luther A R Hall, September 4, 1990: US04954587 (171 worldwide citation)

This invention describes polymers which are obtained by copolymerization of 15-85 wt % N,N-dimethylacrylamide with about 15-85% of a fluorinated monomer such as perfluoroalkyl-alkylene acrylate or methacrylate with from 3 to 25 fluorine atoms and optionally, 0-50 wt % other acrylates or methacrylate ...


6
Karl F Mueller: Reactive silicone and/or fluorine containing hydrophilic prepolymers and polymers thereof. Ciba Geigy Corporation, Luther A R Hall, William G Hervey, January 7, 1992: US05079319 (151 worldwide citation)

Vinyl unsaturated copolymers are described which are obtained in a two-step process and which consist of monomeric units A, B, C, D and E, copolymerized in a first step, and in a second step reacted with a reactive vinyl monomer M.sub.v, and in which A is a siloxane or fluorine containing vinyl mono ...


7
Karl F Mueller, Sonia J Heiber, Walter L Plankl: Strong, silicone containing polymers with high oxygen permeability. Ciba Geigy Corporation, Luther A R Hall, December 4, 1984: US04486577 (148 worldwide citation)

Clear, strong, crosslinked polymers are described, which are obtained by copolymerization of (A) 8-70% of a linear or branched polysiloxane of 400-100,000 molecular weight (MW) containing at least two terminal or pendant, polymerizable, vinyl groups per each 5000 MW unit of polysiloxane and which ar ...


8
Karl F Mueller, Paul Harisiades: UV- and heat curable terminal polyvinyl functional macromers and polymers thereof. Ciba Geigy Corporation, Luther A R Hall, June 6, 1989: US04837289 (133 worldwide citation)

New polysiloxanes are described which bear at least three vinyl groups. Such polyvinyl polysiloxanes are useful as heat or UV curing resins with high cross link density and are especially useful as coatings and in the manufacture of contact lens materials.


9
Karl F Mueller, Sonia J Heiber: Crosslinked, porous polymers for controlled drug delivery. Ciba Geigy Corporation, Luther A R Hall, October 22, 1985: US04548990 (127 worldwide citation)

A controlled-release, drug-delivery composition which comprises (A) a crosslinked copolymer, capable of swelling in ethanol to give a swollen copolymer containing at least 40% by weight of ethanol, and capable of swelling in water to give a swollen copolymer containing no more than 20% by weight of ...


10
J Richard Robertson, Kai C Su, Merrill S Goldenberg, Karl F Mueller: Wettable, flexible, oxygen permeable contact lens containing block copolymer polysiloxane-polyoxyalkylene backbone units and use thereof. Ciba Geigy Corporation, Luther A R Hall, William G Hervey, December 3, 1991: US05070169 (107 worldwide citation)

Contact lenses which are optically clear, wettable, flexible, and of high oxygen permeability in the aqueous ocular environment of use, of a block copolymer containing polysiloxane and polyoxyalkylene oxide units are disclosed, as well as the preparation thereof and methods of treating vision defect ...