IP

Irena Penczek

ES Enichimica S.P.A.: 3 patents #2 of 31Top 7%
ES Enichem S.P.A: 1 patents #152 of 317Top 50%
Overall (All Time): #1,306,012 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4687799 Compositions of polyphenylene oxide or of mixtures of polyphenylene oxide with a styrene polymer Wanda Kosinska, Dorota Grzelak, Jan Bialy 1987-08-18
4607085 Process for the production of polyphenylene-oxide Jan Bialy, Zbingniew Dobkowski 1986-08-19
4568662 Process for preparing alkylation catalysts Jan Bialy, Nikuca Kopytowska, Josef Wrzyszcz, Jolanta Cmielowska, Hanna Grabowska +3 more 1986-02-04
4556699 Process for the production of polyphenylene oxide Jan Bialy, Stanislaw Maczenski, Marek Borensztajn 1985-12-03