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Peter Hofer, Peter Hagmann, Gunther Krieg, Eberhard Vaas: Method for the manufacture of contact lenses. Ciba Geigy Corporation, Harry Falber, William G Hervey, May 19, 1992: US05114628 (133 worldwide citation)

A method for the manufacture of contact lenses, especially individually fitted contact lenses, and a contact lens production system therefor is described, wherein the topography of the surface of the eye is measured three-dimensionally, the geometry of the rear face of the lens is determined so as t ...


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Theodor Staheli: Dispensing device for storing and applying at least one liquid or pasty substance. Ciba Geigy Corporation, Harry Falber, September 1, 1987: US04690306 (74 worldwide citation)

A dispensing device comprises a cartridge unit with at least two chambers containing liquid or pasty substances and pistons therein being connected with each other by at least one blade adapted for cutting through a dividing wall, between two chambers and separating their contents, only one piston a ...


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Godwin Berner: Photocurable compositions. Ciba Geigy Corporation, Harry Falber, August 18, 1981: US04284485 (73 worldwide citation)

The use of photo-initiators of the formula I or II ##STR1## in which n is 1 or 2, Ar is a monovalent or divalent aromatic radical, X is a tertiary amino group, a hydroxyl or ether group or a siloxy group, R.sup.1 and R.sup.2 are alkyl, substituted alkyl, alkenyl, cycloalkyl or phenylalkyl or togethe ...


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Francois Gugumus: Synergistic mixture of low-molecular and high-molecular polyalkylpiperidines. Ciba Geigy Corporation, Harry Falber, September 8, 1987: US04692486 (72 worldwide citation)

Low-molecular and high-molecular polyalkylpiperidines are suitable as a synergistic mixture for stabilizing organic material, in particular organic polymers. The compounds are substances known per se. Thus, for example, the mixture of ##STR1## is distinguished by a pronounced synergism.


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Frank P Cortolano, Raymond Seltzer, Ambelal R Patel: Polymeric substrates stabilized with N-substituted hindered amines. Ciba Geigy Corporation, Harry Falber, April 2, 1991: US05004770 (72 worldwide citation)

Hindered amines based on various 2,2,6,6-tetralkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OH or OR substituents and the 4-position of the ring is substituted with a diversity of substituents are effective in protecting a varie ...


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Jean Rody, Mario Slongo: 2-(2-Hydroxyphenyl)-benztriazoles, their use as UV-absorbers and their preparation. Ciba Geigy Corporation, Harry Falber, August 1, 1989: US04853471 (64 worldwide citation)

The novel UV-absorbers are compounds of the formula ##STR1## in which R.sup.1 is, for example, hydrogen, n is one of the numbers 1 or 2 and R.sup.2 is an appropriate monovalent or divalent radical, for example --OH or --O--CH.sub.2 CH.sub.2 --O--. The UV-absorbers are used in particular for stabilis ...


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John D Spivack, Martin Dexter, Stephen D Pastor: Alkanolamine esters of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-biphenyl-2,2-diyl-cyclic phosphites. Ciba Geigy Corporation, Harry Falber, March 9, 1982: US04318845 (61 worldwide citation)

The title compounds are prepared by reacting alkylated 1,1'-biphenyl-2,2'-diol or alkylated 2,2'-alkylidene-bis-phenol with phosphorus trichloride in an organic solvent and then reacting the intermediate phosphorochlorodite with an alkanolamine. Said phosphites are useful as stabilizers of organic p ...


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James P Galbo, Raymond Seltzer, Ramanathan Ravichandran, Ambelal R Patel: Polyolefin compositions stabilized with NOR-substituted hindered amines. Ciba Geigy Corporation, Luther A R Hall, Harry Falber, March 17, 1992: US05096950 (56 worldwide citation)

Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR.sub.1 substituents and the 4-position of the ring is substituted with a diversity of substituents are effective in protecting polyol ...