Inventor · Acton, MA, US

Johan van Walsem

16Patents
4h-index
35Co-inventors
56Inventor score

Filing activity: Jul 2, 2009 → Feb 18, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8304232B2 Photobioreactors, solar energy gathering systems, and thermal control methods Chemistry; Metallurgy 10 Active
US9850192B2 Renewable acrylic acid production and products made therefrom Emerging Cross-Sectional Technologies 9 Active
US7795376B2 Single solvent polymer extraction methods Chemistry; Metallurgy 6 Active
US9353258B2 Low glass transition polyhydroxyalkanoates for modification of biodegradable polymers Emerging Cross-Sectional Technologies 5 Active
US10113060B2 Biobased rubber modified biodegradable polymer blends Emerging Cross-Sectional Technologies 3 Active
US7981642B2 Polymer extraction methods Chemistry; Metallurgy 3 Active
US8003355B2 Polymer extraction methods Chemistry; Metallurgy 2 Active
US8304209B2 Solar biofactory, photobioreactors, passive thermal regulation systems and methods for producing products Emerging Cross-Sectional Technologies 2 Active
US9084467B2 Process for gamma-butyrolactone production Chemistry; Metallurgy 1 Active
US7893194B2 Single solvent polymer extraction methods Chemistry; Metallurgy 1 Active
US12188008B2 Recombinant host cells and methods for the production of glyceric acid and downstream products Chemistry; Metallurgy 0 Active
US10786064B2 Process for producing a monomer component from a genetically modified polyhydroxyalkanoate biomass Chemistry; Metallurgy 0 Active
US10611903B2 Highly filled polymer systems Chemistry; Metallurgy 0 Active
US9663791B2 Green process for producing polyhydroxyalkanoates and chemicals using a renewable feedstock Chemistry; Metallurgy 0 Active
US8026399B2 Fractional condensation processes, apparatuses and systems Performing Operations; Transporting 0 Active
US11597951B2 Method for preparation of diester derivatives of malonic acid Chemistry; Metallurgy 0 Active

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