Reinhard H.
Reinhard H. Kessing, Miami, FL US
Patent application number | Description | Published |
---|---|---|
20090236765 | Three layer composite panel from recycled polyurethanes - A process for the manufacture of a three layer composite panel with improved moisture resistance, minimal thickness swell, thermal stability, and a smooth hard surface suitable for direct lamination. The composite panel is produced utilizing recycled polyurethanes, preferably obtained from vehicle headliners, insulated foam panels, foam insulation, energy absorbent panels, and polyisocyanurate foams along with materials incidental to at least one recycled component including composite resins, cloth, adhesives, fiberglass, and plastics. The composite panel is composed of a core layer pressed between two surface layers. | 09-24-2009 |
Reinhard H. Sommerlade, Neuenberg Am Rhein DE
Patent application number | Description | Published |
---|---|---|
20090018354 | PREPARATION OF ALPHA-HYDROXY AND ALPHA-AMINO KETONES - A process for the preparation of an 1,1-disubstituted oxirane is disclosed, wherein an organic sulphide is reacted in a polar solvent with an educt containing a leaving group attached to a primary or secondary carbon atom, and/or the sulfonium salt formed in this way is reacted with a ketone in presence of a base and a polar solvent. Oxiranes of the type obtained may be further converted into the corresponding α-hydroxyketone or α-aminoketone, either in one step by subjecting to aerobic oxidation in the presence of a transition metal catalyst, or in two steps by hydrolyzation in the presence of an aqueous acid to the corresponding dialcohol and subsequent selective oxidation. Further described are some novel epoxide intermediates. The α-hydroxyketones and α-aminoketones thus obtainable are useful inter alga as photoinitiators. | 01-15-2009 |
Reinhard H. Sommerlade, Neuenburg Am Rhein DE
Patent application number | Description | Published |
---|---|---|
20120289721 | PREPARATION OF ALPHA-HYDROXYKETONES - A process for the preparation of an 1,1-disubstituted oxirane is disclosed, wherein an organic sulphide is reacted in a polar solvent with an educt containing a leaving group attached to a primary or secondary carbon atom, and/or the sulfonium salt formed in this way is reacted with a ketone in presence of a base and a polar solvent. Oxiranes of the type obtained may be further converted into the corresponding α-hydroxyketone or α-aminoketone, either in one step by subjecting to aerobic oxidation in the presence of a transition metal catalyst, or in two steps by hydrolyzation in the presence of an aqueous acid to the corresponding dialcohol and subsequent selective oxidation. Further described are some novel epoxide intermediates. The α-hydroxyketones and α-aminoketones thus obtainable are useful inter alia as photoinitiators. | 11-15-2012 |