WH

Wilhelmus J. L. A. Hamersma

GE: 8 patents #4,313 of 36,430Top 15%
Overall (All Time): #669,608 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5354620 Polymer mixture based on a polyalkylenephthalate ester Roger W. Avakian 1994-10-11
5318854 Polymer mixture based on a polybutylene terephthalate ester and a S-MA copolymer and films made thereof Roger W. Avakian 1994-06-07
5159015 Polymer mixture comprising polyphenylene ether, polyester, and styrene polymer Roger W. Avakian, Christian Bailly 1992-10-27
5147920 Polymer mixture comprising polyester, glass fibres, flame-retardant and filler; articles formed therefrom Theodorus A. M. Dekkers, Farshid Tabankia 1992-09-15
5025055 Polymer mixture comprising aromatic polycarbonate and two agents to improve the impact strength; articles formed therefrom Torben P. Kempers, Wilhemus M. M. Roovers 1991-06-18
5011889 Polymer, mixture comprising polyphenylene ether, polyester, and styrene polymer Roger W. Avakian, Christian Bailly 1991-04-30
4942188 Polymer mixture comprising polybutylene terephthalate, aromatic polycarbonate and polydialkysiloxane Jan de Boer, Wilhelmus M. M. Roovers, Gerrit de Wit 1990-07-17
4935309 Multilayer structure Michael L. Krieg, Vladimir Kwiecinski, Roger W. Avakian 1990-06-19