KULZER GMBH
🏢 View company profile →71Patents
44Active
71Granted
51Portfolio score
Filing activity: Nov 20, 1972 → Dec 18, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4239113A | Composition for the preparation of bone cement | Human Necessities | 99 | Expired |
| US4115346A | Hydroxy group containing diesters of acrylic acids and their use in dental material | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4059684A | Bone cement compositions containing gentamycin | Human Necessities | 52 | Expired |
| US4002669A | Hydroxy group containing diesters of acrylic acid | Chemistry; Metallurgy | 39 | Expired |
| US4029632A | Prosthetic dental appliance | Chemistry; Metallurgy | 36 | Expired |
| US4375967A | Dental composition containing X-ray opaque material | Chemistry; Metallurgy | 32 | Expired |
| US4619701A | Isolating agent | Human Necessities | 28 | Expired |
| US5234339A | Implant supported prosthesis | Human Necessities | 27 | Expired |
| US4600390A | Apparatus and method for applying a silicon oxide-containing adhesion-promoting layer on metallic dental prostheses | Chemistry; Metallurgy | 26 | Expired |
| US5009597A | Composite dental prosthesis element formed of filled acrylate/methacrylate polymers | Human Necessities | 25 | Expired |
| US4640936A | Photopolymerizable phosphate-containing adhesion promoting dental composition | Chemistry; Metallurgy | 22 | Expired |
| US4636533A | Photopolymerizable adhesion promoting dental composition | Chemistry; Metallurgy | 18 | Expired |
| US4001939A | Tooth-filling material based on synthetic plastics material | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4534839A | Process for the photopolymerization of vinyl compounds and photopolymerizable materials | Physics | 11 | Expired |
| US9914265B2 | Method for producing a homogeneous light distribution | Physics | 11 | Active |
| US4568558A | Method for producing orthodontic devices and appliances | Human Necessities | 10 | Expired |
| US4656053A | Method for producing orthodontic devices and appliances | Human Necessities | 10 | Expired |
| US4620988A | Flame hydrolysis coating apparatus particularly for dental prostheses | Performing Operations; Transporting | 9 | Expired |
| US4541801A | Color scale palette | Human Necessities | 9 | Expired |
| US4581389A | Method for photopolymerization of vinyl compounds and photopolymerizable materials used in said process using 1-aryl-2,5 dialkypyrrole as reducing agent | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4890997A | Photopolymerization irradiation apparatus | Physics | 8 | Expired |
| US4522694A | Process for the photopolymerization of vinyl compounds and photopolymerizable materials used in said process | Physics | 8 | Expired |
| US4576976A | Process for the photopolymerization of vinyl compounds and photopolymerizable materials | Physics | 7 | Expired |
| US4839521A | Treatment chamber for the photopolymerization of dental plastics | Performing Operations; Transporting | 7 | Expired |
| US4799753A | Terminal for a radiation conductor | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.