Lienhard; Paul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lienhard; Paul.The latest application filed is for "high-molecular weight organic material containing a metal complex pigment basaed on hydrazone".
- Lienhard; Paul - Frenkendorf CH
| Patent | Date |
|---|---|
| High-molecular weight organic material containing a metal complex pigment basaed on hydrazone Grant 5,066,695 - Cseh , et al. November 19, 1 | 1991-11-19 |
| Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety Grant 4,775,747 - Cseh , et al. October 4, 1 | 1988-10-04 |
| Process for the mass coloration of polyesters Grant 4,202,814 - Lienhard , et al. May 13, 1 | 1980-05-13 |
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