Inventor

PLANK JOHANN

DE20 patents

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

PLANK JOHANN

SUEDDEUTSCHE KALKSTICKSTOFF

Dispersant for concrete mixtures of high salt content

Solids composition based on clay minerals and use thereof

Graft polymers of ketone-aldehyde condensation and co-condensation products

Thermostable polymers

Metal compounds of acid group-containing condensation products and co-condensation products of ketones and aldehydes

Modifying surface tension of finely-divided materials in a liquid

Drilling fluid composition and process for the filtrate reduction of drilling fluid compositions containing mixed metal hydroxides

Acid group-containing hydrophilic co-condensation products of ketone-aldehyde resins

SKW POLYMERS GMBH

Method for the rheology control of fluid phases

Terpolymers based on sulfobetaines, processes for their preparation and their use as thickeners for aqueous salt solutions

Use of water-soluble mixed polymers as a flowing medium and/or as a hardening retarder for refractory materials which contain aluminate cement

Polymeric, acrylamide-free water retention agent

Sulfonated condensation products which are stabile in storage, method for the production thereof, and their use

BASF CONSTR POLYMERS GMBH

Water-soluble copolymers based on olefinic sulfonic acids, method for the production thereof and use of the same

Polyamide-based water-soluble biodegradable copolymers and the use thereof

Additive for drilling fluids

DEGUSSA CONSTRUCTION POLYMERS

Cementing subterranean zones using cement compositions containing biodegradable dispersants

MATZINGER MARTIN

Water-soluble and biodegradable copolymers on a polyamide basis and use thereof

UNIV MUENCHEN TECH

Copolymer for dispersant for cement, dispersant for cement, and cement composition

REICHENBACH-KLINKE ROLAND

Additive for cementing wells