Gero Heymer

Person

Erftstadt Liblar, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Production of phosphine
- Patent number 4,091,078
- Issue date May 23, 1978
- Hoechst Aktiengesellschaft
- Klaus Hestermann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of (hydroxymethyl)-alkyl, cycloalkyl and aralkylphosphines
- Patent number 4,080,384
- Issue date Mar 21, 1978
- Hoechst Aktiengesellschaft
- Bernd Lippsmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of organophosphines
- Patent number 4,073,810
- Issue date Feb 14, 1978
- Hoechst Aktiengesellschaft
- Klaus Hestermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for inhibiting the corrosions and deposition of boiler scal...
- Patent number 4,042,324
- Issue date Aug 16, 1977
- Hoechst Aktiengesellschaft
- Theodor Auel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the dearsenication of polyphosphoric acid
- Patent number 3,991,164
- Issue date Nov 9, 1976
- Hoechst Aktiengesellschaft
- Wolfgang Scheibitz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of methylphosphine oxides
- Patent number 3,980,711
- Issue date Sep 14, 1976
- Hoechst Aktiengesellschaft
- Bernd Lippsmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of substantially water-insoluble linear...
- Patent number 3,978,195
- Issue date Aug 31, 1976
- Hoechst Aktiengesellschaft
- Hermann Schrodter
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process utilizing waste material consisting substantially of phosph...
- Patent number 3,956,462
- Issue date May 11, 1976
- Hoechst Aktiengesellschaft
- Gero Heymer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of wet-processed phosphoric acid using anhydrous solvents
- Patent number 3,953,581
- Issue date Apr 27, 1976
- Hoechst Aktiengesellschaft
- Klaus Peter Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making condensed aluminum phosphates
- Patent number 3,943,231
- Issue date Mar 9, 1976
- Hoechst Aktiengesellschaft
- Horst-Dieter Wasel-Nielen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Production of 2-phenyl-ethylene phosphonic acid
- Patent number 3,931,294
- Issue date Jan 6, 1976
- Hoechst Aktiengesellschaft
- Theodor Auel
- C07 - ORGANIC CHEMISTRY

Gero Heymer

Person

Patents Grantslast 30 patents

Production of phosphine

Production of (hydroxymethyl)-alkyl, cycloalkyl and aralkylphosphines

Production of organophosphines

Process for inhibiting the corrosions and deposition of boiler scal...

Process for the dearsenication of polyphosphoric acid

Production of methylphosphine oxides

Process for the production of substantially water-insoluble linear...

Process utilizing waste material consisting substantially of phosph...

Purification of wet-processed phosphoric acid using anhydrous solvents

Process for making condensed aluminum phosphates

Production of 2-phenyl-ethylene phosphonic acid