Inventor

FRIEDRICH HANS-HELMUT

DE48 patents

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

FRIEDRICH HANS-HELMUT

CIBA GEIGY CORP

Sulfur- and nitrogen-containing lubricant additives

Complex compounds, process for their preparation, and their use

Complexed compounds, processes for their manufacture and their use

Process for the preparation of linear 1,3-diketones

Complex compound, process for their preparation, and their use

Additives for lubricants

Substituted pyrroles as stabilisers for chlorinated polymers

Propane-1,3-dione derivatives and their use as stabilizers for polymers containing chlorine

Ether-containing or thioether-containing 1,3-diketones and the use thereof as stabilizers for chlorine-containing polymers

Process for producing glycidyl thioethers

Lubricant compositions, novel glucamine derivatives and complex compounds containing same

Sulfur-and nitrogen-containing lubricant additives

Reaction products of bisglycidyl thioethers

Hydraulic fluid compositions, novel glucamine derivatives and complex compounds containing same

Lubricant compositions, novel glucamine derivatives and complex compounds containing same

Boron-containing compounds

Reaction product of mercaptans, alkylene oxides and glycidol

Anti-static modified thermoplastics

Pyrrole stabilizers for chlorine-containing thermoplastics

Pyrrole stabilizers for chlorine-containing thermoplastics

Phosphonic acid derivatives and thionophosphonic acid derivatives

Compositions comprising 2,2&#39;,2&#34;-nitrilotriethanol cyclometalates

Compositions comprising 2,2&#39;,2&#34;-nitrilotriethanol cyclometalates

Process for the preparation of alpha-aminoketone salts

Compositions containing 2,2&#39;,2&#34;-nitrilotriethanol cyclometalates

Lubricant compositions, novel glucamine derivatives and complex compounds containing same

Additives for materials

Novel adducts

Stabilization of chlorine-containing thermoplastics with m-aminophenol derivatives

Pyrrole-stabilized chlorine-containing thermoplastics

Hydrophilic and difficultly volatile biocidal triorganometallic compounds

Hydrophilic and difficultly volatile biocidal triorganotin compounds

WITCO VINYL ADDITIVES GMBH

Stabiliser combinations for chlorine-containing polymers

5-substituted 6-aminouracils as stabilizers for halogenated polymers

NH2-modified 6-aminouracils as stabilizers for halogenated polymers

Cyanoacetylureas for stabilizing halogenated polymers

1,3-Disubstituted 6-aminouracils for stabilizing halogenated polymers

4-aminopyrimidinones and oxazolidino-4-aminopyrimidinones, process for their preparation and their use for stabilizing halogen-containing polymers

Pyrrolodiazine derivatives as stabilizers for chilorine-containing polymers

CIBA SC HOLDING AG

Rigid PVC stabilised with N,N-dimethyl-6-aminouracils

Additives for lubricants

Pyrrolodiazine derivatives as stabilizers for chlorine-containing polymers

CHEMTURA VINYL ADDITIVES GMBH

Stabilizer system for stabilizing PVC

Stabilizer system for stabilizing halogen-containing polymers

Prestabilization of halogen-containing polymers

CIBA SPECIALITY CHEMICALS CORP

Stabilizer combinations for chlorine-containing polymers

CROMPTON VINYL ADDITIVES GMBH

Chlorate-containing stabilizer system with nitrogen-containing synergists for stabilizing halogen-containing polymers

CROMPTON CORP

Stabilizer system for stabilizing halogen-containing polymers

Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates

Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates

Compositions containing 2,2',2"-nitrilotriethanol cyclometalates