P

Inventor

SCHIMMEL GUENTHER

DE61 patents
⚠️ This page may combine multiple inventors who share the name “SCHIMMEL GUENTHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST AG

36 patents
US5183651AFeb 2, 1993

Process for the preparation of crystalline sodium silicates

HOECHST AG55 citations95
US5268156ADec 7, 1993

Process for the preparation of sodium silicates

HOECHST AG62 citations94
US5874397AFeb 23, 1999

Granular detergent builder

HOECHST AG29 citations92
US5614161AMar 25, 1997

Crystalline sheet sodium silicate

HOECHST AG45 citations92
US5387358AFeb 7, 1995

Alkaline earth metal sodium acetate, a process for its preparation and its use

HOECHST AG28 citations92
US5308596AMay 3, 1994

Process for the production of crystalline sodium disilicate in an externally heated rotary kiln having temperature zones

HOECHST AG60 citations92
US5211930AMay 18, 1993

Process for the preparation of crystalline sodium silicates having a sheet structure

HOECHST AG22 citations92
US4479924AOct 30, 1984

Process for the separation of heavy metal compounds from phosphoric acid

HOECHST AG31 citations92
US5387359AFeb 7, 1995

Alkaline earth metal potassium acetate, a process for its preparation and its use

HOECHST AG37 citations88
US5078895AJan 7, 1992

Washing agent with storage-stabilized bleach system

HOECHST AG29 citations87
US4452768AJun 5, 1984

Process for removing heavy metal ions from wet-processed phosphoric acid

HOECHST AG24 citations82
US4713229ADec 15, 1987

Process for purifying phosphoric acid

HOECHST AG15 citations74
US4629614ADec 16, 1986

Process for decontaminating phosphoric acid

HOECHST AG7 citations74
US4503016AMar 5, 1985

Process for extracting heavy metal ions from aqueous solutions

HOECHST AG14 citations74
US4466948AAug 21, 1984

Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid

HOECHST AG7 citations74
US4457848AJul 3, 1984

Process for after-treating extraction residues originating from the decontamination of phosphoric acid

HOECHST AG8 citations74
US5520860AMay 28, 1996

Process for preparing granular sodium silicates

HOECHST AG7 citations73
US5496482AMar 5, 1996

Process for the preparation of alkali metal acetates

HOECHST AG12 citations73
US5456895AOct 10, 1995

Process for the production of crystalline sodium sheet silicate with kanemite structure

HOECHST AG7 citations73
US4762693AAug 9, 1988

Process for working up heavy metal-containing residues originally from the decontamination of crude phosphoric acid

HOECHST AG10 citations72
US4596703AJun 24, 1986

Process for purifying wet-processed phosphoric acid

HOECHST AG11 citations69
US5507972AApr 16, 1996

Process for the preparation of a mixture of sodium silicates and other salts and the use of the mixture

HOECHST AG2 citations63
US4774005ASep 27, 1988

Process for working-up an aqueous silicohydrofluoric acid solution

HOECHST AG2 citations63
US4668492AMay 26, 1987

Process for dearsenifying phosphoric acid solutions

HOECHST AG4 citations63
US4540557ASep 10, 1985

Process for reducing the fluorine content in wet-processed phosphoric acid

HOECHST AG3 citations63
US4539192ASep 3, 1985

Process for removing fluorine and organic compounds from prepurified wet processed phosphoric acid

HOECHST AG6 citations63
US4444729AApr 24, 1984

Multistage column for countercurrent extraction of liquids

HOECHST AG6 citations63
US4705529ANov 10, 1987

Process for reducing the reactivity and improving the flow behavior of phosphorus pentoxide

HOECHST AG2 citations62
US5814289ASep 29, 1998

Process for the peparation of cogranulates comprising aluminosilicates and sodium silicates

HOECHST AG4 citations61
US5158752AOct 27, 1992

Plant for producing ammonium polyphosphate

HOECHST AG3 citations61
US4906445AMar 6, 1990

Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid

HOECHST AG2 citations61
US4834960AMay 30, 1989

Process for purifying phosphorous acid

HOECHST AG2 citations61
US4777025AOct 11, 1988

Process for making phosphorus pentoxide of diminished reactivity

HOECHST AG5 citations61
US4971778ANov 20, 1990

Process for working up phosphoric acid

HOECHST AG3 citations60
US4525333AJun 25, 1985

Process for separating gallium and indium from aqueous solutions

HOECHST AG3 citations58
US4904459AFeb 27, 1990

Process for working up dusts which are produced in the electrothermal production of phosphorus

HOECHST AG3 citations55

CLARIANT GMBH

11 patents

HENKEL KGAA

1 patent

(unassigned)

1 patent

CLARIANT PRODUKTE DEUTSCHLAND

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.