Berthold Ferstl

Person

Bensheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Composition comprising a primary and a secondary surfactant, for cl...
- Patent number 12,084,628
- Issue date Sep 10, 2024
- BASF SE
- I Chen Chou
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Aqueous alkaline etching and cleaning composition and method for tr...
- Patent number 9,076,920
- Issue date Jul 7, 2015
- BASF SE
- Berthold Ferstl
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION COMPRISING A PRIMARY AND A SECONDARY SURFACTANT, FOR CL...
- Publication number 20230167381
- Publication date Jun 1, 2023
- BASF SE
- I Chen CHOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AQUEOUS ALKALINE COMPOSITIONS AND METHOD FOR TREATING THE SURFACE O...
- Publication number 20140134778
- Publication date May 15, 2014
- BASF SE
- Berthold Ferstl
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
AQUEOUS ALKALINE ETCHING AND CLEANING COMPOSITION AND METHOD FOR TR...
- Publication number 20130078756
- Publication date Mar 28, 2013
- BASF SE
- Berthold Ferstl
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
USE OF MIXTURES FOR REMOVING POLYURETHANE FROM METAL SURFACES
- Publication number 20120142573
- Publication date Jun 7, 2012
- BASF SE
- Sabrina Montero Pancera
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR REMOVING ETCHING RESIDUES FROM SEMICONDUCTOR COMPONENTS
- Publication number 20100136794
- Publication date Jun 3, 2010
- BASF SE
- Berthold Ferstl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR REMOVING ETCHING RESIDUES FROM SEMICONDUCTOR COMPONENTS
- Publication number 20100120256
- Publication date May 13, 2010
- BASF SE
- Berthold Ferstl
- H01 - BASIC ELECTRIC ELEMENTS

Berthold Ferstl

Person

Patents Grantslast 30 patents

Composition comprising a primary and a secondary surfactant, for cl...

Aqueous alkaline etching and cleaning composition and method for tr...

Patents Applicationslast 30 patents

COMPOSITION COMPRISING A PRIMARY AND A SECONDARY SURFACTANT, FOR CL...

AQUEOUS ALKALINE COMPOSITIONS AND METHOD FOR TREATING THE SURFACE O...

AQUEOUS ALKALINE ETCHING AND CLEANING COMPOSITION AND METHOD FOR TR...

USE OF MIXTURES FOR REMOVING POLYURETHANE FROM METAL SURFACES

METHOD FOR REMOVING ETCHING RESIDUES FROM SEMICONDUCTOR COMPONENTS

METHOD FOR REMOVING ETCHING RESIDUES FROM SEMICONDUCTOR COMPONENTS