Assignee
SISAS SPA
IT·5 granted patents·36 citations·filing 1983–1996
Top patents by PatentIndex Score
5 records- 0164US5688970AProcess to recycle exhaust gases from n-butane conversion into maleic anhydrideSISAS SPA·Filed 1995·Granted Nov 18, 1997·11 cites·13 claims
- 0262US5069687AProcess of recovery of maleic anhydride from reaction gaseous mixturesSISAS SPA·Filed 1990·Granted Dec 3, 1991·8 cites·9 claims
- 0356US4542254AProcess for the separation of mixtures of aromatic hydrocarbons into single componentsSISAS SPA·Filed 1983·Granted Sep 17, 1985·6 cites·8 claims
- 0444US5585502AProcess and plant for the purification of raw maleic anhydride recovered from gaseous reaction mixturesSISAS SPA·Filed 1993·Granted Dec 17, 1996·5 cites·14 claims
- 0530US5936121APolymers of aspartic acid with sequestering activity process for their preparation and use thereofSISAS SPA·Filed 1996·Granted Aug 10, 1999·6 cites·10 claims
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