Inventor

KIEMLE PETER

8 patents

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

BAYER AG

7 patents

US4378252AMar 29, 1983

Oxidation resistant, heat resistant iron oxide black pigments, a process for their preparation and their use

BAYER AG8 citations71

US4686142AAug 11, 1987

Process for the production of iron oxides epitaxially coated with cobalt the coated oxides and their cue

BAYER AG3 citations61

US4933014AJun 12, 1990

Magnetic iron oxide pigments and a process for their preparation

BAYER AG4 citations60

US5028269AJul 2, 1991

Co-containing magnetic pigments, processes for the production thereof and the use thereof

BAYER AG1 citations51

KATHREIN HENDRIK

1 patent

US5116419AMay 26, 1992

Process for the preparation of magnetic iron oxides and the pigments obtained therefrom

KATHREIN HENDRIK2 citations53

KIEMLE PETER

BAYER AG

Magnetic separation to improve purity of iron oxide pigments

Production of magnetic iron oxides

Magnetic iron oxide pigments and a process for their preparation

Oxidation resistant, heat resistant iron oxide black pigments, a process for their preparation and their use

Process for the production of iron oxides epitaxially coated with cobalt the coated oxides and their cue

Magnetic iron oxide pigments and a process for their preparation

Co-containing magnetic pigments, processes for the production thereof and the use thereof

KATHREIN HENDRIK

Process for the preparation of magnetic iron oxides and the pigments obtained therefrom