Inventor
WEICHMANN JOSEF
DE20 patents
⚠️ This page may combine multiple inventors who share the name “WEICHMANN JOSEF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUEDDEUTSCHE KALKSTICKSTOFF
9 patentsUS5798425AAug 25, 1998
Co-polymers based on oxyalkyleneglycol alkenyl ethers and unsaturated dicarboxylic acid derivatives
SUEDDEUTSCHE KALKSTICKSTOFF217 citations96
US5739212AApr 14, 1998
Water-soluble graft polymers
SUEDDEUTSCHE KALKSTICKSTOFF79 citations94
US6150437ANov 21, 2000
Flow improving agents for binder suspensions containing cement
SUEDDEUTSCHE KALKSTICKSTOFF31 citations92
US5891983AApr 6, 1999
Water-soluble formaldehyde-free polycondensation products based on amino-s-triazines
SUEDDEUTSCHE KALKSTICKSTOFF24 citations92
US5750634AMay 12, 1998
Water-soluble polycondensation products based on amino-s-triazines and the use thereof
SUEDDEUTSCHE KALKSTICKSTOFF23 citations90
US5035812AJul 30, 1991
Thermostable polymers
SUEDDEUTSCHE KALKSTICKSTOFF19 citations81
US5789526AAug 4, 1998
Highly viscous condensation products containing sulfonic acid groups based on amino-s-triazines
SUEDDEUTSCHE KALKSTICKSTOFF6 citations73
US5071945ADec 10, 1991
Process for the production of sulphonic acid group-containing condensation products with a low content of free formaldehyde
SUEDDEUTSCHE KALKSTICKSTOFF14 citations72
US5558709ASep 24, 1996
Flow improving agents for binder suspensions containing cement
SUEDDEUTSCHE KALKSTICKSTOFF6 citations71
SKW BAUCHEMIE GMBH
5 patentsUS6187887B1Feb 13, 2001
Water-soluble or water-swellable copolymers containing sulfonic groups and methods of preparation
SKW BAUCHEMIE GMBH77 citations95
US6462127B1Oct 8, 2002
Self-crosslinking polyurethane polymer hybrid dispersion
SKW BAUCHEMIE GMBH57 citations94
US6573316B1Jun 3, 2003
Stabilized water-soluble polymer powders on the basis of polyoxy alkylene glycol carboxylates and method for producing same
SKW BAUCHEMIE GMBH26 citations92
US6635723B1Oct 21, 2003
Solvent-free polyurethane dispersion
SKW BAUCHEMIE GMBH38 citations91
US6566438B1May 20, 2003
Hybrid polyurethane-polymer dispersion with high film hardness, method for the production and the use thereof
SKW BAUCHEMIE GMBH22 citations91