Patents Represented by Attorney, Agent or Law Firm Rob Gorman
-
Patent number: 6827966Abstract: The present invention provides a method for forming on a medical device, preferably an ophthalmic lens, more preferably a contact lens, a diffusion-controllable coating capable of controlling the out-diffusion or release of guest materials from the medical device. The method of the invention comprises: (1) applying one layer of clay and optionally one or more layers of polyionic materials onto the medical device; or (2) applying alternatively a layer of a first polyionic material and a layer of a second polyionic material having charges opposite of the charges of the first polyionic material onto the medical device and releasing the coated medical device into a releasing medium having a composition capable of imparting a desired permeability to the diffusion-controllable coating on the medical device.Type: GrantFiled: May 22, 2002Date of Patent: December 7, 2004Assignee: Novartis AGInventors: Yongxing Qiu, Fiona Patricia Carney, Nichola Kotov, John Martin Lally, Carol Ann Morris, Lynn Cook Winterton
-
Patent number: 6811805Abstract: The invention provide a method for applying a coating to an ophthalmic lens or a mold for making the ophthalmic lens or a medical device other than ophthalmic lens. The method comprises spraying at least one layer of a coating liquid onto an ophthalmic lens using a spraying process selected from the group consisting of an air-assisted atomization and dispensing process, an ultrasonic-assisted atomization and dispensing process, a piezoelectric assisted atomization and dispensing process, an electro-mechanical jet printing process, a piezo-electric jet printing process, a piezo-electric with hydrostatic pressure jet printing process, and a thermal jet printing process. The coating can comprise a property/functionality pattern or a color image or combination of both.Type: GrantFiled: May 22, 2002Date of Patent: November 2, 2004Assignee: Novatis AGInventors: Allen Gilliard, Lynn Cook Winterton, Rafael Victor Andino, John Lally
-
Patent number: 6800225Abstract: A measured amount of a material that is crosslinkable by impingement of a suitable form of energy, especially UV light, is introduced into a two-part mould of which cavity determines the shape of a moulding to be produced. The two mould halves are held a small distance from one another so that a thin annular gap is formed between them, which gap is in communication with the mould cavity and through which gap excess material can escape. The crosslinking is triggered by impingement of the selected form of energy, the impingement being spatially restricted to the cavity by suitable masking so that material disposed outside the mould cavity is not crosslinked. In that manner mouldings are obtained that do not require subsequent mechanical processing, and the mould is reusable. The process is especially, but not, however, exclusively, suitable for the manufacture of contact lenses.Type: GrantFiled: July 14, 1994Date of Patent: October 5, 2004Assignee: Novartis AGInventors: Peter Hagmann, Sharla Borghorst, John Golby, Peter Herbrechtsmeier, Otto Kretzschmar, Bernhard Seiferling, Norbert Söllner, Beat Müller
-
Patent number: 6757420Abstract: The invention is concerned with the problem of providing an automatic inspection device, with which it is possible to determine, with little effort and without contact, whether packages, particularly sealed blister packages consisting of a blister container and a cover film, are free of defects. This problem is solved by the use of at least two light sources, which are arranged at a certain distance from one another and each emit a light bundle at a predetermined wavelength range, whereby the emission maxima of the two light sources are offset in relation to one another. The light sources are arranged such that the packages are vertically illuminated. The light reflected by the packages is recorded by a CCD camera and the digital images are stored in a computer, so that they are available in a computer-supported image-processing and documentation system.Type: GrantFiled: December 21, 2000Date of Patent: June 29, 2004Assignee: Novartis AGInventors: Andreas Krahn, Jürgen Saedler, Jan Schlegel, Anette Therese Lang-Schöll, Egbert Jux
-
Patent number: 6734321Abstract: The invention relates to novel composite materials comprising (a) an inorganic or organic bulk material having covalently bound to its surface initiator moieties for radical polymerization; and (b) a hydrophilic surface coating obtainable by applying one or more different ethylenically unsaturated hydrophilic macromonomers of formula (1) as outlined in the claims to the bulk material surface provided with the initiator radicals and polymerizing said macromonomers. The composite materials of the invention have desirable characteristics regarding adherence to the substrate, durability, hydrophilicity, wettability, biocompatibility and permeability and are thus useful for the manufacture of biomedical articles such as ophthalmic devices.Type: GrantFiled: June 20, 2002Date of Patent: May 11, 2004Assignee: Novartis AGInventors: Peter Chabrecek, Jens Höpken, Dieter Lohmann
-
Patent number: 6634747Abstract: Contact lenses with sample indicator marks are disclosed. Also disclosed are methods of marking and use of contact lenses with indicator marks.Type: GrantFiled: June 7, 2000Date of Patent: October 21, 2003Assignee: Novartis AGInventors: Barry L. Atkins, Michael H. Quinn
-
Patent number: 6454800Abstract: A corneal onlay or corneal implant is disclosed which is to be placed within or onto the surface of the cornea, being a biocompatible, optically transparent, synthetic and biostable polymeric material, said material comprising a surface that supports the attachment and growth of tissue cells, and where the exterior surface of the implant onto which epithelial tissue is to be attracted and to become attached, or in the case of a corneal onlay the anterior surface of the onlay, has a topography comprising a plurality of surface indentations.Type: GrantFiled: February 12, 2001Date of Patent: September 24, 2002Assignee: Novartis AGInventors: Beatrice Ann Dalton, John Gerard Steele, Margaret Diana Macrea Evans, Janet Helen Fitton, Graham Johnson, Ilene Kay Gipson