Patents for B29D 11 - Producing optical elements, e.g. lenses or prisms (15,288)
08/1978
08/01/1978US4104101 Process for making a plastic sheet
07/1978
07/25/1978US4103065 Coated polycarbonates and acrylics
07/25/1978US4102567 Polymethyl methacrylate
07/18/1978US4101365 Process of making high speed multifaceted polygonal scanners
07/11/1978US4099859 Contact lens having a smooth surface layer of a hydrophilic polymer
07/04/1978US4098940 Counterfeit-proof documents
06/1978
06/27/1978US4097657 Structurally modifying the acrylic ester hydrogel with aliphatic dithiols or amines, inhibiting bacteria and protein penetration
06/20/1978US4096315 Process for producing a well-adhered durable optical coating on an optical plastic substrate
06/20/1978US4096216 Method of making microfiche laminate having apertures with doublet lenses
06/20/1978US4095773 Subassemblies for cube corner type retroreflector molds
06/20/1978US4095772 Casting apparatus for plastic lenses
06/06/1978US4093361 Composite prosthetic polymeric devices
06/06/1978US4093350 System for centrifugally casting a thin film plastic in a replica process for providing multi-faceted polygonal scanners
05/1978
05/23/1978US4091057 Compression, thermoplastic resins
05/23/1978US4090830 Mold for producing polarizing optical devices
05/23/1978US4090773 Infrared-reflecting glazing
05/02/1978US4087682 Illuminating device
04/1978
04/25/1978US4085919 Lens-casting cell
04/25/1978US4085501 Method for fabrication of integrated optical circuits
04/18/1978US4085248 Method to apply a protective layer to the surface of optical reflectors, and so-made reflectors, particularly automotive vehicle head lamps
04/18/1978US4084458 Manufacture of contact lenses
04/04/1978US4082420 An optical transmission fiber containing fluorine
03/1978
03/21/1978US4080476 Anti-fog coated optical substrates
03/14/1978US4079160 Abrasion-resistant optical element
02/1978
02/07/1978US4072403 Retro-reflecting assembly
01/1978
01/31/1978US4071293 Contact lens and method of making same
01/24/1978US4070097 Ophthalmic antireflection coatings with metal, dielectric, substrate, metal, dielectric in sequence
01/17/1978US4069280 Method of making plastic optical fibers
01/17/1978US4068933 Fenestrated hydrogels for contact lens use and method for making same
01/03/1978US4066236 Cube corner type retroreflector bodies and molds made therewith
12/1977
12/20/1977US4064314 Weather-resistant transparent composite film
12/06/1977US4061518 Method for making an article having replicated coating with durable dielectric overcoat
11/1977
11/15/1977US4058584 Method for manufacturing luminous hollow bodies for signs or the like
10/1977
10/25/1977US4055378 Silicone contact lens with hydrophilic surface treatment
10/18/1977US4054624 Preparing a hydrated contact lens
10/11/1977US4053442 Method for manufacturing shaped articles from multi-block copolymers
09/1977
09/20/1977US4049868 Abrasion-resistant optical element
09/20/1977US4049756 Method of making microfiche laminate having apertures with doublet lenses
09/13/1977US4047917 Apparatus for the manufacture of plastics film by casting on a floating glass ribbon
08/1977
08/30/1977US4045547 Shaped eye bandage of graft polymers of hydroxyethyl methacrylate, polyvinyl pyrrolidone, ethylene glycol dimethacrylate, and methyl acrylate
08/16/1977US4042652 Method for the production of silicone elastomer-containing articles
08/16/1977US4042552 Contact lens
08/02/1977US4039607 Optical fibers
07/1977
07/26/1977US4038014 Lens mold
07/12/1977US4035064 Light concentrator having an anticlastic reflective surface
06/1977
06/14/1977US4029842 Polymethyl methacrylate coated and overcoated with trialkoxysilanes
05/1977
05/31/1977US4027073 Pigment-free coating compositions
05/10/1977US4022855 Method for making a plastic optical element having a gradient index of refraction
05/10/1977US4022204 Dimensionally stable shaped eye bandages
04/1977
04/26/1977US4020211 Anti-skid and wear resistant road surface marking material
04/19/1977US4018941 Urethane prepolymer, polyalkyl ether of polymethylol melamine and acid catalyst
04/19/1977US4018853 Contact lenses
04/19/1977US4018587 Method for producing a curved glass die having an aspherical polished concave face
04/12/1977US4017238 Mold for casting contact lenses utilizing and electron beam to polymerize the resin lens
04/05/1977US4016331 Vapor deposition
02/1977
02/15/1977US4008031 Apparatus for injection molding lenses
12/1976
12/28/1976US3999834 Method for producing optical fibers and resulting fibers
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
11/1976
11/09/1976US3991234 Process for coating a lens of synthetic polymer with a durable abrasion resistant vitreous composition
11/02/1976US3989775 Method of making a retro-reflective beaded material
10/1976
10/19/1976US3986997 Pigment-free coating compositions
10/05/1976US3984506 Method of forming a composite bifocal contact lens blank
09/1976
09/21/1976US3981707 Method of making fluorine out-diffused optical device
09/14/1976US3980399 Aspheric optical elements
08/1976
08/31/1976US3978178 Process for producing abrasion-resistant cast article
08/31/1976US3978164 Contact lenses
07/1976
07/27/1976US3971910 Apparatus for perforating contact lenses
07/27/1976US3971872 Process for the production of an abrasion resistant optical element
07/27/1976US3971841 Molding devices and process for making a molded plastic lens mount
07/06/1976US3968309 Molded articles of plastics having improved surface characteristics and process for producing the same
07/06/1976US3968051 Freeze drying photochromic filters
06/1976
06/08/1976US3962505 Plastic contact lens with magnetic embedded metal ring
05/1976
05/25/1976US3959561 Sulfonic acid containing polymer
05/25/1976US3959237 Sustained release polymers
04/1976
04/27/1976US3953652 Vacuum evaporation and deposition, ophthalmic lenses
04/27/1976US3953115 Method for providing an abrasion resistant coating for plastic ophthalmic lenses and the resulting lenses
04/20/1976US3951534 Short throw, oblique incidence, visual transparency projector
03/1976
03/30/1976US3946982 Adjustable mold for direct casting of plastic multifocal lenses
03/16/1976US3944637 Methyl methacrylate, diethylene glycol bis(allyl carbonate), acrylic or methacrylic acid terpolymer
03/16/1976US3944350 Microfiche and reader
03/16/1976US3944347 Contact lens having a hard center and soft, tough periphery
03/09/1976US3943045 Irradiation of hydrophilic and hydrophobic monomers to produce hydrophilic copolymers
02/1976
02/24/1976US3940304 Method of making composite light-polarizing element
02/17/1976US3939225 Addition copolymer
02/17/1976US3938775 Mold assembly for casting synthetic lenses
01/1976
01/27/1976US3935359 Retroreflective sheeting and method and apparatus for producing same
01/06/1976US3931373 Replication processes for producing plastic optical components