Patent Explorer

Browse, filter, and analyze 6 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US5292817A Flame-retardant thermoplastic copolymers based on vinyl phosphonate derivatives grafted onto rubber Lyondell Chemical Technology LP Expired / Lapsed 1993-09-03 1994-03-08 2013-09-03 0.0 yrs 17
US4571418A Char-forming polymer, moldable composition and method Lyondell Chemical Technology LP Expired / Lapsed 1984-03-12 1986-02-18 2004-03-12 0.0 yrs 22
US4444969A Fire retardant copolymer from bis(hydrocarbyl)vinyl phosphonate Lyondell Chemical Technology LP Expired / Lapsed 1982-08-23 1984-04-24 2002-08-23 0.0 yrs 12
US4107106A Phenol-aldehyde-amine resin/glycol curatives for energy absorbing polyurethanes Lyondell Chemical Technology LP Expired / Lapsed 1976-11-22 1978-08-15 1996-11-22 0.0 yrs 10
US3907722A Flame retardant polyurethanes containing chemically combined 3,4-dibromocyclohexane diols Lyondell Chemical Technology LP Expired / Lapsed 1974-05-20 1975-09-23 1994-05-20 0.0 yrs 28
US3836512A Copolymerization of olefinically unsaturated monomers Lyondell Chemical Technology LP Expired / Lapsed 1972-08-15 1974-09-17 1992-08-15 0.0 yrs 0