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Hans-Joachim Graf
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Manheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing a ceramic component with a cermet body
Patent number
6,146,581
Issue date
Nov 14, 2000
Friatec Aktiengesellschaft
Guenther Bitz
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of manufacturing an electrically conductive cermet
Patent number
5,796,019
Issue date
Aug 18, 1998
W. C. Heraeus GmbH
David Francis Lupton
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Process for the production of polymer-bound rubber chemicals
Patent number
5,624,988
Issue date
Apr 29, 1997
Rhein Chemie Rheinau GmbH
Armin Bauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rubber chemical preparation
Patent number
5,608,228
Issue date
Mar 4, 1997
Rhein-Chemie Rheinau GmbH
Rene Loix
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilised dithiophosphoric acid polysulphides
Patent number
5,565,599
Issue date
Oct 15, 1996
Rhein-Chemie Rheinau GmbH
Hans-Joachim Graf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Poly [2,5-bis(polysulphano)-1,3,4-thiadiazoles]
Patent number
5,563,240
Issue date
Oct 8, 1996
Rhein-Chemie Rheinau GmbH
Hans-Joachim Graf
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phenolic resins from bisphenol a residual resins and mixtures of ch...
Patent number
5,314,986
Issue date
May 24, 1994
Bayer Aktiengesellschaft
Pieter Ooms
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Method and System For Processing a Solution by Means of a Two-Stage...
Publication number
20140042091
Publication date
Feb 13, 2014
KSB Aktiengeselldchaft
Hans Graf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL