Issued Patents All Time
Showing 101–125 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548011 | Blends of polycarbonates, dimeric fatty acid polyesters and PIB rubbers, silicones or mineral oils | Burkhard Kohler, Wolfgang Ebert, Klaus Horn, Richard Weider | 1996-08-20 |
| 5525674 | Polycarbonates with aliphatic ketocarboxyl end groups, mixed with known aromatic polycarbonates, their preparation and their use | Wolfgang Ebert, Burkhard Kohler, Klaus Horn, Richard Weider, Rolf Dhein +2 more | 1996-06-11 |
| 5484857 | Single-stage process for the preparation of polyisobutylene carboxylic acids | Richard Weider, Burkhard Kohler, Bernhard Jansen | 1996-01-16 |
| 5457091 | N1-substituted 1H-1,2,3-triazolo[4,5,-D]pyrimidines, a process for their preparation and their use as antiviral agents | Gerhard Jaehne, Matthias Helsberg, Irvin Winkler, Gerhard Gross | 1995-10-10 |
| 5416167 | Vulcanizable rubber compositions containing salts of partial carboxylic acid esters | Joachim Thormer, Hans-Wilhelm Engels | 1995-05-16 |
| 5356965 | Flame-resistant polycarbonate molding compositions | Richard Weider, Klaus Kircher, Klaus Horn | 1994-10-18 |
| 5274182 | Saturated, liquid isobutylene polymers terminally functionalized by special groups | Richard Weider | 1993-12-28 |
| 5260129 | Polyether/polycarbonate block copolymer coatings for plastic moldings | Herbert Hugl, Wolfgang Nising | 1993-11-09 |
| 5183926 | Process for the preparation of aromatic dicarboxylic acids and aromatic hydrocarbons | Richard Weider | 1993-02-02 |
| 5149367 | Printing inks | Knud Reuter | 1992-09-22 |
| 5137949 | Polydiorganosiloxane-polycarbonate block co-codensates with improved protection against UV light | Winfried Paul, Hans-Josef Buysch, Wolfgang Nising | 1992-08-11 |
| 5130363 | Rubber vulcanizates having improved hysteresis behavior | Hans-Wilhelm Engels, Ulrich Eisele, Ulrich Eholzer | 1992-07-14 |
| 5130492 | Process for the production of squaric acid | Barry Jackson | 1992-07-14 |
| 5118847 | 3-hydroxy-2-cyclobuten-1-one salts, their production and use | Barry Jackson | 1992-06-02 |
| 5118861 | 3-hydroxy-2-cyclobuten-1-one salts, their production and use | Barry Jackson | 1992-06-02 |
| 5110895 | Polyester and polyester carbonate from terephthalic or isophthalic acid, phosgene and phenols with heat resistance and light stability | Richard Weider, Dieter Arlt, Christian Leuschke | 1992-05-05 |
| 5108835 | Coextruded double walled sheet of linear polycarbonate resin | Heinrich Hähnsen, Wolfgang Nising, Hans-Josef Buysch, Ulrich Grigo | 1992-04-28 |
| 5091497 | Heat-curing polyether-polyester-polyurethane ureas | Gerhard Grogler, Richard Kopp, Heinrich Hess, Eduard Hansel | 1992-02-25 |
| 5089342 | Wood or wood product coated with an aqueous, air-drying coating agent | Rolf Dhein, Wolfgang Wellner, Lothar Backer | 1992-02-18 |
| 5087756 | 3-Hydroxy-2-cyclobuten-1-one salts | Barry Jackson | 1992-02-11 |
| 5073376 | Preparations containing L-carnitine | Willibald E. Kohl | 1991-12-17 |
| 5071874 | L-carnitine magnesium citrate | Willibald F. Kohl | 1991-12-10 |
| 5001177 | Branched thermoplastic polycarbonates having improved protection against UV light | Paul Winfried, Hans-Josef Buysch, Wolfgang Nising | 1991-03-19 |
| 4929710 | Hydroxycarboxylic acid/Unsaturated aromatic hydrocarbon resin useful as recording material | Gert Jabs, Adolf Richartz | 1990-05-29 |
| 4923920 | Mixtures of elastomer latices and dispersions of aromatic polycarbonates, polyesters or polyester carbonates and products produced therefrom | Hermann Perrey, Martin Matner | 1990-05-08 |