Adhesives for industrial purposes, including contact adhesives, adhesives to fix grinding and polishing pads and foils, polishing cloth and felt, as well as diamond pellets and diamond grinding segments on laps in the optical production; soldering chemicals in the nature of means and pastes for the soldering of diamond pellets and diamond grinding segments on grinding laps; optical contact cements and industrial adhesives for cementing and fixing of optical parts on loose and fixed multiple blocks in optical production, namely, cementing sealing waxes, colophony cements, wax cements, cementing resins, ultraviolet cements and ultraviolet adhesives as well as contact adhesives; chemical foam inhibitors and defoamers for liquid grinding, polishing, lapping and cooling preparations; chemical preservatives for the preserving of liquid coolants and cooling lubricants; solvents for adhesives and adhesive foils for industrial purposes and for protection of particularly finished polished surfaces in optical production; chemical liquid cooling preparations and concentrates; chemical coolants for grinding of optical parts

Machine tools as well as parts thereof for manufacturing optical parts; machines for the processing of workpieces made from hard and brittle materials, especially optical parts, as well as parts thereof, namely, CNC (computer numerical controlled) and conventionally controlled grinding, prism-grinding, radial-grinding, polishing, lever-polishing and centering machines, automatic centering machines and processing machines; machines for the surfacing and edging of ophthalmic lenses made from mineral glass or plastics, as well as parts thereof, including CNC (computer numerical controlled) and conventionally controlled machines for turning, milling, grinding,polishing and lapping of ophthalmic surfaces and the edge of ophthalmic lenses; machines for plasma etching, ion-beam polishing and fluid-jet polishing of optical parts as well as parts thereof; power-operated machine-driven tools for all of the aforementioned machinery as well as parts thereof and accessories for those, in as far as contained in this class, namely, turning tools with blades from tungsten carbide, PCD (poly crystalline diamond), CVD (chemical vapor deposition) or natural diamond, milling heads with PCD (poly crystalline diamond) blades and blades from tungsten carbide, sintered and electroplated special shape diamond milling cutters, diamond piano cutters, diamond radial milling cutters, circular diamond grinding tools, diamond grinding wheels, diamond piano grinding wheels, diamond slicing wheels, diamond cup wheels, diamond centering wheels, diamond chamfering wheels and discs, diamond hollow drills, diamond grinding segments to cover flat grinding wheels, diamond pellets with metal or resin bond of the diamond particles to cover form tools, sintered and electroplated diamond grinding pads and foils, form tools for grinding, polishing and lapping processing of particularly optical parts by means of bound and loose abrasive, grinding pads, grinding tape and grinding foils with bound abrasive, polishing base, namely, polishing pads, polishing discs, polishing tapes, polishing foils, polishing cloth and polishing felt as well as polishing pitch, the latter particularly based on wooden tar resin, fatty acids, phenols and resin acids; workpiece chunks being parts of machines for all of the aforementioned machinery as well as parts thereof, namely, [ collect ] * collet * chucks and workpiece holders with membranes; machines for semi-automatic and automatic application of protective foils and lacquers on particularly semi-finished optical parts, as well as parts thereof; machines for the blocking of semi-finished optical parts, particularly semi-finished ophthalmic blanks, for further processing thereof, as well as parts thereof; blocking pieces being parts of machines from aluminum alloys and plastics and blocking rings being parts of machines from stainless steel as well as attachment, plano and prism rings being parts of machines for the blocking of semi-finished optical parts, particularly semi-finished ophthalmic blanks, for further processing thereof; circulation and supplying machines for liquid grinding, polishing, lapping, cooling and lubricating materials as well as parts thereof; machines for mixing, preparing and filtering of liquid grinding, polishing, lapping, cooling and lubricating materials as well as parts thereof; namely, centrifuges and band filter devices; machines parts, namely, filter papers, non-woven filters, and filter cloth, as parts of machines, for filtering of particles from liquid coolants and cooling lubricants; machines for deblocking of optical parts, particularly spectacle lenses, as well as parts thereof; machines for preliminary cleaning of semi-finished optical parts; machines for ultrasonic cleaning of parts, particularly optical parts like ophthalmic lenses, as well as parts thereof; machines for etching of soiled substrate carriers; machines for the refinement and coating of optical parts; machines for tinting of plastic lenses; high vacuum coating facilities consisting of machines for the coating of spectacle lenses, optical lenses and optical parts as well as other articles, including high vacuum coating facilities for the thermal coating by means of electron beam evaporation sources and thermal evaporation sources, with or without ion or plasma support; sputtering facilities consisting of machines for the sputtering coating of articles, magnetrons of all kinds, CVD (chemical vapor deposition) and PICVD(plasma impulse chemical vapor deposition) coating facilities consisting of machines for the CVD (chemical vapor deposition) and PICVD (plasma impulse chemical vapor deposition) coating of articles, with or without ion support; machines for applying hydrophobic layers, with or without vacuum; substrate coating lacquering machines for applying hard coatings on substrates; electromagnetically or pneumatically operated automation, handling and loading machines for all of the aforementioned machines, as well as parts thereof, namely, devices with swivel arm robots, suction devices, belt conveyors and tray magazines and devices for carrying substrates; machine parts, namely, workpiece holders for clamping of optical lenses; air compressors; sandblasting apparatus; high pressure multi-purpose steam cleaner

Laser centering devices for checking, aligning and cementing of optical parts; devices for measuring the intensity of ultraviolet radiation; mechanical devices, namely, dosing dispensers of preset portions for liquids and paste-like media in the nature of optical cements and adhesives all not for medical use; devices and instruments for measuring liquid grinding, polishing, lapping and cooling as well as lubricating materials regarding temperature, pH value, electrical conductivity, density, concentration and suspension behavior as well as parts thereof, namely, aerometers, refractometers, thermometers and measuring devices for the pH value; machinery, devices and instruments for measuring and checking optical components, particularly precision optical lenses and ophthalmic lenses, as well as parts thereof, namely, aspheric measuring machines, topography measuring devices, interferometers, spherometer rings with gauges, measuring bars for the measurement of planity, spherometers and torometers for convex and concave surface measurement, center-thickness measuring devices for finished and blocked lenses, lensometers and measuring magnifiers; spectral-photometer; test glasses for determining the fringe defect and for checking of workpiece surfaces of lenses, mirrors, prisms and other optical elements; optical lenses, primarily made of glass and plastics, also for ultraviolet- and infrared-applications, especially vacuum-coated ophthalmic lenses and precision optical lenses; devices for the detection of drilled holes and for obtaining the form data of ophthalmic lenses for rimless spectacles as well as parts thereof; devices for detecting the geometrical shape of spectacle frames as well as parts thereof; computer software and computer hardware for the calculation of processing data for optical parts, particularly ophthalmic lenses, for the administration and the transfer of production data to the processing machines as well as for the surveillance and control of the manufacturing processes; temperature controllers and parts thereof; devices for measuring the pressure at bladder chucks of grinding and polishing machines; vacuum-leak detectors; optical substrate test and inspection apparatus; work benches and cabinets for clean rooms as special furniture for laboratories