Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7666820 | Borehole treatment agent containing low-toxic oil phase | Heinz Mueller, Nadja Herzog | 2010-02-23 |
| 6946524 | Methods for producing polyester amides based on polyisobutylenes, polyester amides produced thereby, and uses therefor in stabilizing crude oil | Wolfgang Breuer, Paul Birnbrich, Claus-Peter Herold, Didier Groffe, Matthias Hof | 2005-09-20 |
| 6806235 | Lubricants for drilling fluids | Heinz Mueller, Claus-Peter Herold, Frank Bongardt, Nadja Herzog | 2004-10-19 |
| 6716799 | Use of selected fatty alcohols and their mixtures with carboxylic acid esters as lubricant components in water-based drilling fluid systems for soil exploration | Heinz Mueller, Claus-Peter Herold | 2004-04-06 |
| 6596670 | Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Claus-Peter Herold, Gerhard Stoll, Rainer Jeschke, Johann F. Fues | 2003-07-22 |
| 6566304 | Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture | Doris Bell, Bettina Kopp-Holtwiesche | 2003-05-20 |
| 6350788 | Low-foam surfactant concentrates for use in the domain of plant growth stimulation | Claus-Peter Herold, Heinz Mueller, Heinz Boettcher | 2002-02-26 |
| 6344431 | Use of selected inhibitors against the formation of solid organo-based incrustations from fluid hydrocarbon mixtures | Wolfgang Zoellner, Claus-Peter Herold, Jacques Groffe, Jean-Michel Rouet | 2002-02-05 |
| 6211119 | Multiphase lubricant concentrates for use in water based systems in the field of exploratory soil drilling | Claus-Peter Herold, Heinz Mueller, Thomas Foerster, Marcus Claas | 2001-04-03 |
| 6180572 | Aqueous swellable compositions of guar gum and guar gum derivatives in oleophilic liquids and their use | Heinz Mueller, Claus-Peter Herold | 2001-01-30 |
| 6165946 | Process for the facilitated waste disposal of working substances based on water-in-oil invert emulsions | Heinz Mueller, Claus-Peter Herold, Thomas Foerster, Johann F. Fues | 2000-12-26 |
| 6022833 | Multicomponent mixtures for use in geological exploration | Heinz Mueller, Claus-Peter Herold, Thomas Foerster, Johann F. Fues, Marcus Claas | 2000-02-08 |
| 5869434 | Free-flowing borehole servicing preparations containing linear .alpha.-olefins, more patricularly corresponding drilling fluids | Heinz Mueller, Claus-Peter Herold, Matthias Fies | 1999-02-09 |
| RE36066 | Use of selected ester oils in drilling fluids and muds | Heinz Mueller, Claus-Peter Herold, Douglas J. Grimes, Jean-Marc Braun, Stuart Paul Smith | 1999-01-26 |
| 5846601 | Use of selected polyvinyl acetate dispersions for the surface stabilization of sand and/or soil | Wolfgang Ritter, Heinz-Joachim Muller, Hartmut Busching | 1998-12-08 |
| 5770639 | Use of selected, biologically safe stabilizers in polyvinyl-ester-based impregnating compositions for soil stabilization | Wolfgang Ritter, Christiane Hoeltgen | 1998-06-23 |
| 5725610 | Additive composition for cold operability of middle distillates | Despina Vassilakis, Robert Leger, Nathalie Cerqueda, Wolfgang Ritter, Thomas A. Reichert | 1998-03-10 |
| 5663122 | Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives | Heinz Mueller, Wolfgang Breuer, Claus-Peter Herold, Peter Kuhm | 1997-09-02 |
| 5461028 | Fluid-drill-hole treatment agents based on carbonic acid diesters | Heinz Mueller, Claus-Peter Herold, Alfred Westfechtel | 1995-10-24 |
| 5441927 | Fluid drill-hole treatment agents based on polycarboxylic acid diesters | Heinz Mueller, Claus-Peter Herold, Johann F. Fues | 1995-08-15 |
| 5403822 | Esters of carboxylic acids of medium chain-length as a component of the oil phase in invert drilling muds | Heinz Mueller, Claus-Peter Herold, Michael Neuss, Wolfgang Zoellner, Frank Burbach | 1995-04-04 |
| 5348938 | Oleophilic alcohols as a constituent of invert drilling fluids | Heinz Mueller, Claus-Peter Herold | 1994-09-20 |
| 5322392 | Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining | Heinz Mueller, Claus-Peter Herold, Helmut Edel | 1994-06-21 |
| 5318955 | Use of selected ethers of monofunctional alcohols in drilling fluids | Heinz Mueller, Gerhard Stoll, Claus-Peter Herold | 1994-06-07 |
| 5318956 | Use of selected ester oils in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability | Heinz Mueller, Claus-Peter Herold, Johann F. Fues | 1994-06-07 |