Inventor · Zürich, CH

Peter Speiser

16Patents
15h-index
11Co-inventors
75Inventor score

Filing activity: Dec 4, 1973 → Aug 31, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4107288A Injectable compositions, nanoparticles useful therein, and process of manufacturing same Emerging Cross-Sectional Technologies 228 Expired
US4880634A Lipid nano-pellets as excipient system for perorally administered drugs Emerging Cross-Sectional Technologies 137 Expired
US4329332A Biodegradable submicroscopic particles containing a biologically active substance and compositions containing them Emerging Cross-Sectional Technologies 81 Expired
US4021364A Microcapsules in the nanometric range and a method for their production Emerging Cross-Sectional Technologies 75 Expired
US4489055A Process for preparing biodegradable submicroscopic particles containing a biologically active substance and their use Emerging Cross-Sectional Technologies 75 Expired
US5424332A Pharmaceutical composition and process for the production thereof Human Necessities 73 Expired
US4959389A Pharmaceutical preparation for the treatment of psoriatic arthritis Human Necessities 70 Expired
US4851439A Fumaric acid derivatives, process for the production thereof and pharmaceutical compositions containing same Human Necessities 54 Expired
US5451667A Fumaric acid derivatives, process for the production thereof and pharmaceutical compositions containing same Human Necessities 54 Expired
US5149695A Fumaric acid derivatives, process for the production thereof and pharmaceutical compositions containing same Human Necessities 49 Expired
US4269821A Biological materials Emerging Cross-Sectional Technologies 43 Expired
US4225581A Biological materials Emerging Cross-Sectional Technologies 42 Expired
US4013784A Delayed release pharmaceutical preparations Human Necessities 38 Expired
US4913908A Preparation of submicroscopic particles, particles thus obtained and pharmaceutical compositions containing them Emerging Cross-Sectional Technologies 20 Expired
US5187150A Polyester-based composition for the controlled release of polypeptide medicinal substances Human Necessities 18 Expired
US4810697A Pharmaceutical formula Performing Operations; Transporting 12 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.