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Match
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Document |
Document Title |
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3743417 |
DURABLE TRANSPARENT MASK FOR PHOTOLITHOGRAPHICAL PROCESSING AND METHOD OF MAKING THE SAME
An indefinitely reusable transparent mask suitable for photolithographic uses, particularly for the production of semiconductor elements preferably embodies a visually transparent image fused at...
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3662175 |
APPARATUS FOR GENERATING ULTRA VIOLET LIGHT
Apparatus for generating ultra-violet light which can be controlled to provide a controlled erythemal effect.
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3634779 |
HIGH-INVERSION LASER DEVICE HAVING AN IMPREGNATED FLASHTUBE JACKET, AN ULTRAVIOLET ABSORBING FILTER BETWEEN THE LASER ROD AND THE FLASHTUBE AND A FILTER WITHIN THE LASER ROD
A laser apparatus for reaching a high-inversion level by the reduction of transverse depumping mechanisms, having a laser rod optically coupled to a pumping flashlamp capable of producing lasing...
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3532551 |
SOLAR CELL INCLUDING SECOND SURFACE MIRRORS
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3516985 |
INDOLE RIBOFURANOSIDES
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3499775 |
ULTRAVIOLET-ABSORBING GLASS COMPOSITIONS CONTAINING CERIUM AND MOLYBDENUM OXIDES
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3483871 |
SUNTANNING DEVICE
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3406085 |
Photochromic window
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3383676 |
Lenticular signal lens having a smooth outer surface
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3382183 |
Plastic optical filter
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3381006 |
Certain beta-substituted-alpha-(4, 5-dimethoxy-2-nitrophenyl) acrylonitriles and 2-aminophenyl derivatives thereof
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3360650 |
Apparatus for ultraviolet source stabilization in exposure testing
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3322719 |
Polycarbonates stabilized by adding a benzophenone or a benzotriazole to acidified polymer
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3317328 |
Process for the manufacture of ultraviolet light absorbing cellulosic films
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3309218 |
Flexible cellulosic articles having ultra-violet light shielding properties and method of producing them
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3298959 |
Ultra violet light absorbing compositions having a suspension of submicron particles
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3297462 |
Process for rendering organic polymeric shaped structure resistant to degradation by ultraviolet light
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3291621 |
Ultraviolet light-absorbing glass
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3272646 |
Impregnated porous photochromic glass
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3269847 |
Phototropic glass and methods
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3263736 |
Protector for vehicle windshields and windows
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3253174 |
Glass for incandescent discharge lamps
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3244524 |
U. v. absorbing composition
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3242807 |
Ultraviolet absorbing composition
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3238138 |
2, 4, 6-triaryl-1, 3, 5-triazines in ultraviolet light absorption method and coatingcomposition
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3205083 |
Ultra-violet absorbers
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3193509 |
Optical filter and method of making same
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3174937 |
Compounds, compositions and processes for preparing and using same
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3148300 |
Lamp having envelope of glass opaque to ultraviolet radiation
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3148073 |
Ophthalmic glasses for use in welders' goggles
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3146120 |
Absorptive glasses
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3112490 |
Filter plate assembly for welding helmets and the like
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3105761 |
Photo-printing process including a light filter
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3104176 |
Optical filters and method of making same
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3043709 |
Organic polymeric structure having an ultraviolet light absorbent compound incorporated therein
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3022181 |
Glass color filter
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3004896 |
Ultra-violet light-absorbing composition of matter
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2990306 |
Polymeric sheet materials
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2985561 |
Process for the producing of a substance which causes leucocytosis
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2976259 |
2, 2'-dihydroxy-4-alkoxybenzophenones as ultraviolet light absorbers for resins
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2974052 |
Ultraviolet light absorbing glass
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2965578 |
Shaped articles containing 2. 4-dihydroxy-benzoyl furane
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2950986 |
Ultraviolet light absorbing compositions
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2934647 |
Optical analyzer
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2911432 |
Substituted phenyl-cyano-cyclohexanones
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2888346 |
Ultra-violet absorbing compounds
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2860059 |
Ultra-violet light absorbing glass
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2820918 |
Optical device for therapeutic and other purposes
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2816047 |
Method of making an optical filter and resultant article
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2798067 |
2-imino-4-thiazolidones and preparation
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