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Patent Searching and Data


Matches 751 - 800 out of 6,294

Document Document Title
WO/1992/017579A1
The fermentation and isolation of a novel alkaline protease, protease 3733 is described. This enzyme has the properties of an elastase and a serine protease. This enzyme is produced by a newly discovered alkalophilic Bacillus sp. IAM 011...  
WO/1992/016241A1
A batch liquid purifier (10) using a reservoir (11), an ozone generator (15), and a pumping system (20) is arranged for contacting the liquid with an ozone containing gas so that it is purified either during a direct outflow to a purifie...  
WO/1992/012737A1
Contact lenses are disinfected in a method including treating the contact lenses with an aqueous system of hydrogen peroxide in the presence of a hydrogen peroxide decomposition catalyst, and mechanically agitating the system in order to...  
WO/1992/011876A1
The present invention covers a method for disinfecting a contact lens comprising contacting the lens with an isotonic aqueous solution comprising 0.6 to 2 weight percent tromethamine (preferably 0.8 to 1.5 percent) for a time sufficient ...  
WO/1992/011041A1
Compositions, and methods useful for making such compositions and for using such compositions, which are useful to destroy hydrogen peroxide in a liquid aqueous medium, such as that used to disinfect contact lenses, are disclosed. The co...  
WO/1992/010110A1
An apparatus (10) for storing and cleaning an element is disclosed. The apparatus (10) includes a fluid containing receptacle (12) having an open top and a cap (14) having at least one opening therethrough for removably closing off the o...  
WO/1992/009942A1
An appliance (10) for disinfecting contact lenses (24) wherein the lenses are disposed within a disinfecting solution (28) which liberates gas (A) during the disinfecting action, includes a container body (12) for immersion of the lenses...  
WO/1992/007056A1
Contact lenses are cleaned by contacting the lenses with a composition containing an effective amount of one or more cyclodextrins. The compositions can also be employed at elevated temperatures or may contain suitable antimicrobial agen...  
WO/1992/004098A1
Contact lenses are purified by contact with ozone in a compact system that includes an ozone generator (15), a purifying liquid in a lens chamber (20), and a pumping system (23) for flowing liquid and gas in a way that brings ozone disso...  
WO/1992/003169A1
An appliance (10) for sterilizing contact lenses (22) or the like includes a reaction vessel (12) for containing the lenses in sterilizing contact with hydrogen peroxide solution (18) and two catalytic elements (44, 46) for decomposing t...  
WO/1992/000151A1
An apparatus and method of cleaning or conditioning contact lenses is provided. Lens cleaning or conditioning is accomplished in a pouch (10) having first and second walls (11, 12) between which the contact lens (15) can be inserted alon...  
WO/1991/018081A1
An improved system for rapid disinfection of contact lenses in a convenient and reliable manner is disclosed in which a series of oxidation-reduction reactions are employed. This improved system includes compositions as well as methods o...  
WO/1991/012825A1
A composition and methods useful for making such compositions and for using such compositions to destroy hydrogen peroxide in a liquid aqueous medium, such as that used to desinfect contact lenses, are disclosed. The composition comprise...  
WO/1991/010572A1
An apparatus and method for subjectively determining the proper positioning of progressive power or other corrective lenses are disclosed. The apparatus includes a target (30) such as a small fiber optic (66) or other light source and on...  
WO/1991/010455A1
Light-transmitting contact lenses (14) of Polymethylacrylate, Gas Permeable or Hydrogel materials may be immersed in an aqueous liquid medium (16) contained in a storing and processing device (10), all of which are substantially transpar...  
WO/1991/009522A1
Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalm...  
WO/1991/009523A1
Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalm...  
WO/1991/008104A1
Plastic multifocal or progressive lenses are formed from preformed lenses (11) with predetermined lens corrections at the optical centers. A preformed lens is placed against a mold (13) such that the surfaces of the preformed lens and th...  
WO/1991/007192A1
Contact lenses are disinfected by utilizing an N-alkyl-2-pyrrolidone as the microbicide. The efficacy of prior art microbicides such as chlorhexidene gluconate are enhanced by the addition of the pyrrolidones of this invention. The pyrro...  
WO/1991/003794A1
A three-axis, computer controlled apparatus (10) for edging optical lenses maps the surfaces of a lens blank (L) along a path defining the shape of the lens to be cut from the lens blank and from which mapping a computer controlled cutti...  
WO/1991/001763A1
A method is disclosed for disinfecting contact lenses with peroxide whereby the usual peroxide neutralization step is eliminated. This is accomplished by carrying out the disinfecting process at a hydrogen peroxide concentration of about...  
WO/1990/014848A1
Apparatus is provided for use in the sterilization of contact lenses or the like, wherein lenses are disposed within a sterilizing solution (32) contained within a reaction vessel (22), which sterilizing solution (32) is capable of being...  
WO/1990/011785A1
The device of the invention comprises a casing (1) and a rotating cover plate (2) on which a holder (5) for the contact lenses to be cleaned is fixed. A push-in guide rod (6) guides the rotating cover plate (2) into position in the casin...  
WO/1990/011786A1
The invention concerns a composition including a core with a catalytic substance for decomposition of hydrogen peroxide to oxygen and water. The composition is characterized by that the core is surrounded by a membrane, which is expandab...  
WO/1990/008604A1
An apparatus (12) for cleaning contact lens (14) includes a cleaning case (10) having a base (16) and a cover (18) pivotally mounted (24) to the base. The base is provided with two spaced-apart domed lower cleaning pad receptacles (22, 2...  
WO/1990/004496A1
A hand tool (10) for use with a spring-hinge type spectales to facilitate removal and replacement of temple screws pivotally connecting apertured hinge ear portions of companion hinge parts mounted on the lens frame and the forwarmost en...  
WO/1990/002535A1
The device is useful for detecting deposits on the surfaces of contact lenses and changes in the material of the contact lenses. It consists of an optically transparent rod-shaped body (1) with two end faces. One end face (2), in which t...  
WO/1990/002496A1
A device for storing and examining contact lenses comprises a body (1) with at least two cavities (2) in each of which one contact lens can be stored. The cavity (2) can be sealed by an air-tight, water-tight lid (3) and has a base speci...  
WO/1989/007091A1
Apparatus and a method for adhering a flexible soft polarizing film (108) to a curved surface (110) of a prescription eyeglass to be made into a polarizing lens is disclosed. The method involves glass-casting, and preformation of the fil...  
WO/1989/006115A1
An ocular telescopic lens system (10) for low-vision conditions such as macular degeneration includes an intraocular lens (11) having a converging lens portion (16) and a diverging lens portion (17), and multiple-element spectacles (12) ...  
WO/1989/006271A1
Degreasing, disinfectant, antistatic, demisting detergent stick for all types of spectale lenses (mineral, organic, composite) comprising oil of copra, sodium and potassium hydroxides, glycerol, water and antibacterial and antistatic add...  
WO/1989/004005A1
A method is disclosed which concerns the treatment for imparting dirtproofness to a plastic lens provided in advance on the surface thereof with an antireflection film formed by vacuum evaporation of an inorganic substance. This method f...  
WO/1989/002232A1
A contact lens disinfection case includes a hollow cylindrical body (2) with two open ends (4, 6) and first and second end caps (8, 10) mounted on the ends (4, 6) of the body to define with the body a fluid-tight housing. A contact lens ...  
WO/1989/000430A1
A method and apparatus generates superoxides for cleaning and sterilizing contact lenses (5) in an electrolytic solution (3), which optionally includes an antiseptic, such as hydrogen peroxide. The apparatus includes a container in the f...  
WO/1989/000429A1
A rotating agitational device, upon which is mounted a case (14) containing at least one lens and lens cleaning fluid, is electrically driven in a figure eight motion. This causes the contact or each lens to move about rapidly and clean ...  
WO/1988/010443A1
An apparatus for cleaning optical glasses, mirrors and similar comprises essentially a) a first device (3) for wetting the surfaces to be cleaned and detaching the impurities by wiping, b) a second device (4) (27) for absorbing the liqui...  
WO/1988/008340A1
A sunglass lens (1) has two mounds (2) and (4) of ground mineral glass laminated together with a polarization film (8) to form a single lens having inner and outer surfaces. The inner surface is provided with an anti-reflectant coating (...  
WO/1988/005073A1
Contact lens cleaning compositions containing a combination of an enzyme and a particulate abrasive material, and a method of cleaning contact lenses with such compositions. The compositions are capable of cleaning soiled contact lenses ...  
WO/1988/000506A1
An apparatus and method for in situ concave base curve detection which is especially useful in the lathe. The apparatus and method utilize a laser beam (33) and a photo-diode detector (46) to effect a precise detection of the vertex (14)...  
WO/1987/003382A1
Reading spectacles (1) having lenses (2) are provided with opaque removable films (3) over each lens. Each film (3) is provided with a small aperture (4) aligned with the optical center of the respective lens. A user may test the spectac...  
WO/1987/001562A1
The disclosed compositions are appropriate for keeping in good condition and for cleaning contact lenses. The composition according to the invention contains an alkaline earth salt of monoperphtalic acid, with preferably a complexing age...  
WO/1987/000437A1
Improved methods of disinfecting and/or preserving contact lenses comprises treating said lenses with an effective concentration of a solution comprising a biguanide or a water soluble salt of formula (I), wherein R1 and R3 are selected ...  
WO/1986/004083A1
A contact lens cleaning solution containing an enzyme having proteolytic activity and a surfactant, and optionally also a chelating agent and urea, and a method of cleaning contact lenses utilizing this solution. The solution and method ...  
WO/1986/004084A1
A nontoxic, aqueous, contact lens cleaning solution containing a mixture which includes a nonionic or weakly anionic surfactant, a chelating agent, a source of hydrated protons, and optionally also urea; and a method of chemically removi...  
WO/1986/002001A1
Cosmetic compositions containing as a preservative a polyhexamethylene biguanide salt and a buffer, the biguanide concentration being from 0.5 to 100 ppm.  
WO/1986/000721A1
The method is characterized in that it comprises essentially the production of ozone by ionization in a ionizing tube (7), the migration of said ozone through a filter membrane (25), and then the diffusion of said ozone into an isotonic ...  
WO/1985/004033A1
A device for obtaining data related to the shape of the frame of a pair of spectacles, wherein the shape M of frame of spectacles is converted into numerical data by using spline interpolation functions, so that the shape M of the frame ...  
WO/1985/003018A1
Process for the preservation and cleaning of hydrophilic lenses comprising the hydrophilic lens freezing in a sodium chloride hypertonic solution or another substance that modifies the solution cryoscopic degree. The sodium chloride solu...  
WO/1985/001209A1
Hydrophilic soft contact lenses are disinfected by soaking in a non-eye-irritant aqueous disinfecting solution obtained by the addition to tap water of a chlorhexidine salt, a sequestering agent for calcium and magnesium ions, and a dech...  
WO/1985/001193A1
Device enabling to clean and preserve contact lenses by the use of appropriate solutions, having a hemispherical bottom (3) by limiting exacting and septic manipulations. It is essentially comprised of a casing (1) having two small conta...  

Matches 751 - 800 out of 6,294