Inventor

MECKEL WALTER

DE52 patents

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

MECKEL WALTER

BAYER AG

Production of water-dispersible polyurethanes having ionic groups and hydrophilic side chains

Solvent-free, two-component polyurethane adhesive systems

Adhesive and use of the adhesive for the formation of bonds

Process for the production of aqueous dispersions or solutions of polyurethane polyureas, and dispersions or solution obtainable by this process and their use

Moisture-curing, nco-reactive polyurethane hotmelt adhesive composition

Method of direct manufacture of pigmented polyurethane powder

Isocyanate derivatives containing carbodiimide groups, a process for their production and their use as additives for aqueous solutions or dispersions of plastics

Process for the production of polyurethanes, polyurethanes containing terminal aromatic amino groups and their use

Hotmelt bonding process

Expandable polyurethane powder preparations containing blowing agents and their use for the production of foamed polyurethane moldings

Aqueous polyurethane dispersions and their use as laminating adhesives

Free-flowing, thermoplastically processible and post-crosslinkable polyurethane powders

Process for stabilizing plastics containing ester groups

Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition

Hot melt adhesives

Adhesives based on polyols and polyisocyanates

Polyester polyurethanes containing hydroxyl end groups and their use as adhesives

Process for the continuous production of aqueous polyurethane dispersions and their use as a coating composition or as an adhesive

Polyester polyalcohols containing amino and amide groups and poly (urea) urethane produced therefrom

Aqueous solutions or dispersions of polyisocyanate addition products, a process for their preparation, and their use as coating compounds or as sizing agents for paper

Hydrophobizing and oleophobizing compositions

Aqueous solutions and dispersions of polyisocyanate polyaddition products, a process for the production of the aqueous solutions and dispersions and their use as adhesives

Reactive polyurethanes

Rapidly crystallizing polyurethane systems

Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste

Storage stable polyurethane adhesives

Aqueous solutions or dispersions of polyisocyanate addition products, a process for the production thereof and the use thereof as coating agents or as sizing agents for paper

Process for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materials

Continuous process for the production of powdered polyisocyanate addition products and the powders produced therefrom

Heat curable adhesive system

Aqueous solutions or dispersions of polyisocyanate polyaddition products, a process for their production and their use as, or in the production of, adhesives

Aqueous dispersions or solutions of oligomeric or polymeric plastics, a process for their production and their use

Process for the preparation of aqueous dispersions or solutions of isocyanate polyaddition products

Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups

Process for the decompostion of polyurethane plastics

Process for the preparation of dihydroxypolyurethanes and the use thereof as adhesives or as raw materials for adhesives

Wood adhesives

Process for the production of hydroxyl-group-containing compounds from polyurethane polyurea and/or polyurea wastes

Polyhydroxy compounds containing urea groups and either ester or amide groups, process for their preparation, and the use thereof

Use of water soluble electrolytes as additives in aqueous dispersions of synthetic materials and an aqueous dispersion of synthetic materials containing a water soluble electrolyte

Polyurethane elastomers and a process for their production

BAYER MATERIALSCIENCE AG

Moisture-curing composition and hot-melt adhesive

Process for the production of very pure 2,4′-methylenediphenyl diisocyanate

Reactive polyurethane hotmelts with large PSA range

AGFA GEVAERT AG

Process for the production of magnetic recording carriers

Magnetic storage medium

Process for the production of a magnetic recording medium

RHEIN CHEMIE RHEINAU GMBH

Polyurethane elastomers with reduced gas permeability

MECKEL ELISABETH CHR

Drip irrigation apparatus

MOBAY CHEMICAL CORP

Molecular weight control of polyurethane elastomers