Patents for G02C 7 - Optical parts (23,437)
09/1978
09/12/1978US4113364 Sunglass method and apparatus
09/12/1978CA1038524A1 Process for producing soft contact lenses
09/05/1978US4111535 Plasticized partially esterified or etherified cellulose
08/1978
08/22/1978US4108827 Colorless allyl diglycol carbonate
08/22/1978CA1037196A1 Cross-linked copolymer
08/15/1978US4107121 Ionogenic hydrophilic water-insoluble gels from partially hydrolyzed acrylonitrile polymers and copolymers, and a method of manufacturing same
08/15/1978US4106861 Reduced haze photochromic systems
08/08/1978US4105304 Side glare-eliminating device for securement to eyeglasses and other suitable mounting structures
08/08/1978US4105183 Rear view mirror assembly
08/01/1978US4104187 Fatty acid amide of diethanolamine
08/01/1978US4103992 Corneal contact lens and method of making the same
07/1978
07/25/1978US4102567 Polymethyl methacrylate
07/18/1978US4101302 Photochromic gradient lenses
07/18/1978US4101208 Ophthalmic device for tensionally securing lenses thereto
07/18/1978US4101200 Coating composition for a light transmitting absorbing coating on substrates
07/18/1978CA1034736A1 Sterilizing apparatus, specially used for contact lenses_
07/11/1978US4099859 Contact lens having a smooth surface layer of a hydrophilic polymer
07/11/1978US4099858 Variable light transmission ophthalmic device
06/1978
06/27/1978US4097657 Structurally modifying the acrylic ester hydrogel with aliphatic dithiols or amines, inhibiting bacteria and protein penetration
06/27/1978US4097141 Optical objectives using apertured retrodirective reflectors
06/27/1978US4096870 Pancreatin, sodium chloride, boric acid
06/20/1978US4095878 Soft contact lens with flattened region for automatic orientation
06/20/1978US4095877 Acrylamide, acrylonitrile
06/20/1978US4095772 Casting apparatus for plastic lenses
06/06/1978US4093361 Composite prosthetic polymeric devices
05/1978
05/23/1978US4090830 Mold for producing polarizing optical devices
04/1978
04/25/1978US4085919 Lens-casting cell
04/18/1978US4084978 Glass for eye glass lens
04/18/1978US4084890 Contact lens
03/1978
03/21/1978US4080051 Preparation of photochromic gradient lenses of cosmetically improved color
03/07/1978US4077703 Optical apparatus for viewing objects at an angle to the direct line of vision
02/1978
02/28/1978US4076863 Coating with polymer precursors, polymerizing
02/28/1978US4076395 Preparation of photochromic gradient lenses of improved color
02/21/1978US4074368 Intraocular lens with high magnification
02/14/1978US4073579 Ophthalmic lens with locally variable index of refraction and method of making same
02/14/1978US4073578 Spectacle lens for aphakia patients
02/07/1978US4071912 Light filter for welder's mask
01/1978
01/24/1978US4070105 Laminar fresnel reduced ophthalmic lens construction
01/24/1978US4070097 Ophthalmic antireflection coatings with metal, dielectric, substrate, metal, dielectric in sequence
01/17/1978US4068933 Fenestrated hydrogels for contact lens use and method for making same
01/17/1978US4068918 Eye cooler for sunbathers
01/10/1978US4067069 Safety Goggle
12/1977
12/20/1977US4063890 Method and apparatus for sterilizing and storing contact lenses
12/13/1977US4062867 Metal 1,2 dithiolene thiophene derivatives
12/13/1977US4062629 Progressive power ophthalmic lens having a plurality of viewing zone with discontinuous power variations therebetween
11/1977
11/22/1977US4059347 Optical instrument and viewing method
11/15/1977US4057852 Anti-dazzle eye shade
11/01/1977US4056311 Progressive power ophthalmic lens having a plurality of viewing zones with non-discontinuous variations therebetween
10/1977
10/25/1977US4055379 Multifocal lens
10/25/1977US4055378 Silicone contact lens with hydrophilic surface treatment
10/11/1977US4053442 Method for manufacturing shaped articles from multi-block copolymers
10/04/1977US4052520 Diallyl glycol polycarbonate
09/1977
09/27/1977US4050192 Apparatus for farming ophthalmic lens for presbyopia and aphakia
09/20/1977US4049339 Movie viewing eyeglasses
09/13/1977US4048122 Epoxy modified silicones, fatty acid amide
09/13/1977US4048039 Method of producing a light transmitting absorbing coating on substrates
08/1977
08/30/1977US4045125 Band filters for use in protective glasses
08/23/1977US4043637 Photochromic light valve
08/02/1977US4039827 Method for marking intraocular lenses
08/02/1977US4039662 Polysaccharide and benzalkonium chloride
07/1977
07/26/1977US4038264 Hema copolymers having high oxygen permeability
07/19/1977US4036814 Contact lens
07/19/1977US4036624 Heat treatment method for making photochromic gradient lenses
07/12/1977US4035527 Method of providing a phototropic layer on a carrier
06/1977
06/28/1977US4032488 Dextran ester-olefin compound copolymer and process for preparing same
06/07/1977US4028206 Depositing first reflective layer
05/1977
05/31/1977US4026720 Coating composition for acrylics
05/31/1977US4026714 Phosphate glass compositions
05/31/1977US4026639 Stereo viewer eyeglass frame
05/24/1977USRE29229 Contact lens having an index of refraction approximating that of human tears
05/17/1977US4023892 Dazzle protection spectacle devices for nocturnal drivers of motor vehicles
05/10/1977US4022754 Novel copolymer having utility as contact lens
05/10/1977US4022475 Golf training aid
04/1977
04/19/1977US4018587 Method for producing a curved glass die having an aspherical polished concave face
04/19/1977US4018515 Sunglasses
04/12/1977US4017292 Process for making multifocal photochromic ophthalmic lens
03/1977
03/15/1977US4012131 High strength ophthalmic lens
03/15/1977US4012129 Optical device for pre-operative cataract patients
03/15/1977US4011941 Contact lens capsule
02/1977
02/08/1977US4006563 Machine for machining two faces of an ophthalmic lens
01/1977
01/11/1977US4002439 Method of forming an ophthalmic lens for presbyopia and aphakia
12/1976
12/28/1976US3999996 Compatible near-portion phototropic glass
12/21/1976US3998531 Method of making protective optical components
12/14/1976US3997464 1-hydroxy-4-(p-toluidino)-9,10-anthraquinone, a copper phthalocyanine trisulfonamide, uv absorber
12/14/1976US3997250 Alkali metal oxide silicate glass
12/14/1976US3997249 Ion exchangeable segment glass
12/14/1976US3997049 Enclosure for hard and soft contact lenses
12/07/1976US3996187 Optically clear filled silicone elastomers
11/1976
11/23/1976US3993435 Gradient dyeing of lenses
11/16/1976US3992563 High toughness synthetic high polymers for soft contact lenses and a process for manufacturing the same
11/16/1976US3991753 Device for preventing an individual from inhaling germs, foreign bodies, or the like
11/09/1976US3991234 Process for coating a lens of synthetic polymer with a durable abrasion resistant vitreous composition
11/02/1976US3989532 Anti-misting inorganic oxide glass compositions
10/1976
10/26/1976US3988274 Using an alkylene glycol monoacrylate, a polyfunctional and carboxy monomer and an acrylic acid derivative
10/26/1976US3988058 Rear-view mirror device for attachment to the accessories of the user
10/12/1976US3985445 Apparatus for measuring frontal power of contact lenses
10/05/1976US3984506 Method of forming a composite bifocal contact lens blank
10/05/1976US3984177 Articles employing photochromic materials
09/1976
09/28/1976US3983083 Acrylic ester polymers
09/21/1976US3981709 Chamfering, grinding