Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063184 | Admixtures for cementitous compositions | Bernhard Leikauf, Max Oppliger | 2000-05-16 |
| 5772753 | Cement accelerators | — | 1998-06-30 |
| 5753037 | Fluidity control of cementitious compositions | Josef F. Drs, Max Oppliger | 1998-05-19 |
| 5612396 | Copolymers | Bernhard Leikauf, Akira Ohta | 1997-03-18 |
| 5609681 | Workable cementitious compositions | Josef F. Drs, Tom Melbye, Odd M. Tjugum | 1997-03-11 |
| 5494516 | Workable cementitious compositions | Josef F. Drs, Tom Melbye, Odd M. Tjugum | 1996-02-27 |
| 5322562 | Production of cement-mortar dry mix | Peter Ellenberger, Heinz W. Schmitt, Qiwei Yang | 1994-06-21 |
| 5158996 | Chemically treated anhydride copolymers and cementitious mixtures containing the copolymers | — | 1992-10-27 |
| D324509 | Boat for use with a motorcycle | — | 1992-03-10 |
| 4764585 | Cationic polycondensates useful for improving the fastness of dyeings on textiles | Jurg Heller, Bruno Kissling, Curt Muller, Tibor Robinson | 1988-08-16 |
| 4718918 | Treatment of textile materials to improve the fastness of dyeings made thereon and polymers useful therefor | Jurg Heller, Bruno Kissling, Tibor Robinson | 1988-01-12 |
| 4645511 | Aftertreatment of dyed or printed textiles with a polymeric polybasic amino compound | Jurg Heller, Bruno Kissling, Tibor Robinson | 1987-02-24 |
| 4599087 | Treatment of textile materials to improve the fastness of dyeings made thereon | Jurg Heller, Bruno Kissling, Tibor Robinson | 1986-07-08 |
| 4511707 | Water-soluble precondensates useful for improving the fastness of dyes and optical brighteners on hydroxy group-containing substrates | James R. Runyon | 1985-04-16 |
| 4484927 | Polymers useful for improving the fastness of dyes and optical brighteners on hydroxy group-containing substrates | — | 1984-11-27 |
| 4452606 | Compositions useful for improving the fastness of dyeings on cellulosic substrates: precondensates of N-methylol compound with polyalkylene polyamine-epihalohydrin product | Joseph van Diest | 1984-06-05 |
| 4439203 | Process for improving the wetfastness of dyeings, printings and optical brightenings on cellulosic substrates and compositions useful therefor | James R. Runyon | 1984-03-27 |
| 4436524 | After treating composition for direct or reactive dyeings on cellulose | — | 1984-03-13 |