Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8735477 | Method for producing dialkylphosphinic acids and esters and salts thereof by means of acrylnitriles and use thereof | Michael Hill, Werner Krause | 2014-05-27 |
| 8735476 | Method for producing mono-carboxy-functionalized dialkylphosphinic acids, esters and salts using a vinyl ester of a carboxylic acid and the use thereof | Michael Hill, Mathias Dietz, Werner Krause | 2014-05-27 |
| 8664418 | Method for producing dialkylphosphinic acids and esters and salts thereof by means of acrylic acid derivatives and use thereof | Michael Hill, Harald Bauer, Werner Krause | 2014-03-04 |
| 8614267 | Method for producing mono-hydroxyfunctionalized dialkylphosphinic acids and esters and salts thereof by means of allyl alcohols and use thereof | Michael Hill, Werner Krause | 2013-12-24 |
| 8604108 | Method for producing mono-hydroxyfunctionalized dialkylphosphinic acids and esters and salts thereof by means of acroleins and use thereof | Michael Hill, Werner Krause | 2013-12-10 |
| 8604232 | Method for producing monoamino-functionalised dialkylphosphinite acids esters and salts and use thereof | Michael Hill, Werner Krause | 2013-12-10 |
| 8592505 | Hydrophosphorylation of phosphonous acid derivatives for flame retardants | Michael Hill, Harald Bauer, Werner Krause | 2013-11-26 |
| 7635785 | Process for preparation of dialkylphosphinic salts | Harald Bauer, Werner Krause, Norbert Weferling | 2009-12-22 |
| 7622517 | Phosphorus-containing flame retardant formulation for cellulose-containing moldings | Harald Bauer, Werner Krause, Volker Thewes | 2009-11-24 |
| 7446140 | Dialkylphosphinic salts, their use, and a process for their preparation | Harald Bauer, Werner Krause, Norbert Weferling | 2008-11-04 |
| 7439288 | Titanium-containing phosphinate flame retardant | Elke Schloβer | 2008-10-21 |
| 7420007 | Dialkylphosphinic salts | Harald Bauer, Werner Krause, Norbert Weferling | 2008-09-02 |
| 7348396 | Modified polyethylenephosphinic acids and their salts | Werner Krause, Norbert Weferling, Hans-Peter Schmitz | 2008-03-25 |
| 7332534 | Flame retardant formulation | Susanne Knop, Sebastien Hoerold | 2008-02-19 |
| 7273901 | Flame retardant dispersion | Susanne Knop, Sebastian Hoerold, Harald Bauer | 2007-09-25 |
| 7259200 | Phosphorus-containing flame retardant agglomerates | Harald Bauer, Sebastian Hoerold, Werner Krause | 2007-08-21 |
| 7220791 | Styrene-hypophosphite adduct, a process for preparation thereof, and its use | Harald Bauer, Sebastian Hoerold, Werner Krause, Peter Staniek | 2007-05-22 |
| 7148276 | Granular flame-retardant composition | Harald Bauer, Sebastian Hoerold, Werner Krause | 2006-12-12 |
| 7129320 | Modified polyethylenephosphinic acids and their salts | Werner Krause, Norbert Weferling, Hans-Peter Schmitz | 2006-10-31 |
| 6806383 | Process for preparing (metal) alkylphosphonites I | Norbert Weferling | 2004-10-19 |
| 6770779 | Process for preparing alkylphosphonite esters | Norbert Weferling, Hans-Peter Schmitz, Gunter Kolbe | 2004-08-03 |
| 6727335 | Polymeric phosphinic acids and salts thereof | Norbert Weferling, Hans-Peter Schmitz | 2004-04-27 |
| 6600068 | Process for preparing ethanebis(methylphosphinic) acid | Hans-Peter Schmitz | 2003-07-29 |
| 6600067 | Process for preparing ethylenediphosphonic acids | Hans-Peter Schmitz | 2003-07-29 |
| 6583315 | Process for preparing ethanebis(alkylphosphinic) acids | Norbert Weferling, Hans-Peter Schmitz | 2003-06-24 |