Inventor

VON TAPAVICZA STEPHAN

DE34 patents

⚠️ This page may combine multiple inventors who share the name “VON TAPAVICZA STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VON TAPAVICZA STEPHAN

HENKEL KGAA

Process for the facilitated waste disposal of working substances based on water-in-oil invert emulsions

Free-flowing borehole servicing preparations containing linear α-olefins, more patricularly corresponding drilling fluids

Esters of carboxylic acids of medium chain-length as a component of the oil phase in invert drilling muds

Oleophilic basic amine compounds as an additive for invert drilling muds

Compositions for freeing jammed drill pipes

Multicomponent mixtures for use in geological exploration

Drilling fluids and muds containing selected ester oils

Use of selected ester oils in drilling fluids and muds

Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives

Fluid-drill-hole treatment agents based on carbonic acid diesters

Fluid drill-hole treatment agents based on polycarboxylic acid diesters

Use of selected ester oils in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability

Use of selected ethers of monofunctional alcohols in drilling fluids

Use of selected ester oils in drilling fluids and muds

Monocarboxylic acid methylesters in invert drilling muds

Use of selected polyvinyl acetate dispersions for the surface stabilization of sand and/or soil

Use of selected ester oils of low carboxylic acids in drilling fluids

Aqueous swellable compositions of guar gum and guar gum derivatives in oleophilic liquids and their use

Oleophilic alcohols as a constituent of invert drilling fluids

Multiphase lubricant concentrates for use in water based systems in the field of exploratory soil drilling

Low-foam surfactant concentrates for use in the domain of plant growth stimulation

Drilling mud additives based on a polymer mixture, their use, and a process for their production

Use of selected oleophilic alcohols in water-based drilling fluids of the o/w-emulsion type and corresponding drilling fluids with improved ecological acceptability

Use of selected, biologically safe stabilizers in polyvinyl-ester-based impregnating compositions for soil stabilization

Aqueous resin preparations and a process for stabilizing rock and plugging cavities

Process for rock consolidation and/or cavity filling e.g. in tunnel construction and mining

COGNIS DEUTSCHLAND GMBH

Use of selected fatty alcohols and their mixtures with carboxylic acid esters as lubricant components in water-based drilling fluid systems for soil exploration

Lubricants for drilling fluids

Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability

Methods for producing polyester amides based on polyisobutylenes, polyester amides produced thereby, and uses therefor in stabilizing crude oil

Biogenic control and limitation of the reproduction of parasitic earth nematodes in stock culture

EMERY OLEOCHEMICALS GMBH

Borehole treatment agent containing low-toxic oil phase

ELF ANTAR FRANCE

Additive composition for cold operability of middle distillates

(unassigned)

Use of selected inhibitors against the formation of solid organo-based incrustations from fluid hydrocarbon mixtures