Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7375163 | Cement admixture for improved slump life | Irene Schober, Ulf Velten, Jurg Widmer, Christian Bürge, Urs Mader | 2008-05-20 |
| 7026402 | Cement admixture for improved slump life | Irene Schober, Ulf Velten, Jurg Widmer, Christian Bürge, Urs Mader | 2006-04-11 |
| 6855752 | Polymers for cement dispersing admixtures | Ulf Velten, Ueli Sulser, Jurg Widmer, Irene Schober | 2005-02-15 |
| 6712900 | Method for the reduction of the degree of shrinkage of hydraulic binders | Franz Wombacher, Urs Mader | 2004-03-30 |
| 6712995 | Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened concrete structure by means of surface-applied corrosion-inhibiting compositions | Beat Marazzani, Urs Mader | 2004-03-30 |
| 6548589 | Cement dispersing polymers for high flow, high strength and selfcompacting concrete | Jurg Widmer, Ueli Sulser, Ulf Velten, Irene Schober | 2003-04-15 |
| 6540826 | Sulfate-free and alkali-free setting and hardening accelerator | Marcel Sommer, Franz Wombacher | 2003-04-01 |
| 6537367 | Alkali-free setting and hardening accelerator | Marcel Sommer, Franz Wombacher | 2003-03-25 |
| 6514327 | Stabilized setting and hardening accelerator of low viscosity | Marcel Sommer, Franz Wombacher | 2003-02-04 |
| 6402990 | Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened structure by means of surface-applied corrosion-inhibiting compositions | Beat Marazzani, Urs Mader | 2002-06-11 |
| 6398866 | Method for the reduction of the degree of shrinkage of hydraulic binders | Franz Wombacher, Urs Mader | 2002-06-04 |
| 6387176 | Multipurpose cement dispersing polymers for high flow and high strength concrete | Jurg Widmer, Ueli Sulser, Ulf Velten, Anna Krapf-Huber | 2002-05-14 |
| 6149725 | Injection cement comprising corrosion inhibitors | Franz Wombacher | 2000-11-21 |
| 5919300 | Dispersing agent for high-flow or self-compacting concrete | Ueli Sulser, Jurg Widmer, Anna Krapf-Huber | 1999-07-06 |
| 5916483 | Additive and a process for inhibiting the corrosion of metals in construction materials and constructions materials containing said additive | Urs Mader | 1999-06-29 |
| 5453123 | Thixotroping and set-accelerating additive for mixtures containing a hydraulic binder, process using the additive, apparatus for preparing the mixtures containing a hydraulic binder as well as the additive | Urs Mader, Ueli Sulser, Franz Wombacher | 1995-09-26 |
| 5389144 | Admixture for spray concrete and mortar and a method for the manufacture of spray concrete and mortar using this admixture | Gustav Bracher, Dieter Mai | 1995-02-14 |
| 5108510 | Highly reactive hydraulic binder for the preparation of building, construction and raw materials | Eugen Bodenmann | 1992-04-28 |
| 5100984 | Water-soluble copolymers, a process for their preparation and their use as fluidizers in suspensions of solid matter | Jurg Widmer, Irene Schober, Ueli Sulser | 1992-03-31 |
| 4686252 | Process for preparing a building and/or construction material, a polymer modified aqueous dispersion, and use thereof for the preparation of a building and/or construction material | Reinhard Schweizer | 1987-08-11 |
| 4507154 | Chloride-free setting accelerator for hydraulic binding agents | Eugen Bodenmann | 1985-03-26 |
| 4501839 | Method of using highly concentrated aqueous solutions of low viscosity of melamine/aldehyde resins for improving building materials | Jurg Widmer, Theodor Meyer, Ulrich Sulser | 1985-02-26 |
| 4454311 | Phenol modified sulfamate-melamine-formaldehyde resin | Jurg Widmer, Theodor Meyer, Ulrich Sulser | 1984-06-12 |
| 4442021 | Method of protecting reinforcing bars, pre-stressing cables and similar articles inside of structures | Gustav Bracher | 1984-04-10 |
| 4430469 | Process for preparing highly concentrated aqueous solutions of low viscosity of melamine/aldehyde resins | Jurg Widmer, Theodor Meyer, Ulrich Sulser | 1984-02-07 |