Assignee
SUMITOMO BAYER URETHANE CO
JP·7 granted patents·67 citations·filing 1975–1997
Top patents by PatentIndex Score
7 records- 0171US4065362APurification of organic isocyanatesSUMITOMO BAYER URETHANE CO·Filed 1975·Granted Dec 27, 1977·9 cites·21 claims
- 0267US5786400AProcess for the production of a rigid polyurethane foam and a composition for the production of a rigid polyurethane foamSUMITOMO BAYER URETHANE CO·Filed 1997·Granted Jul 28, 1998·24 cites·3 claims
- 0362US5359129AMethod for preventing coloration of diphenylmethane diisocyanate compoundSUMITOMO BAYER URETHANE CO·Filed 1993·Granted Oct 25, 1994·12 cites·1 claims
- 0455US5258548AMethod for preventing coloration of aromatic isocyanate compoundsSUMITOMO BAYER URETHANE CO·Filed 1992·Granted Nov 2, 1993·8 cites·1 claims
- 0544US4686145AMagnetic recording medium, a process for preparing a magnetic recording medium and a binder composition thereforSUMITOMO BAYER URETHANE CO·Filed 1986·Granted Aug 11, 1987·8 cites·3 claims
- 0641US4853417AProcess for manufacturing rigid polyurethane foamSUMITOMO BAYER URETHANE CO·Filed 1988·Granted Aug 1, 1989·6 cites·5 claims
- 0727US5096956ALow-viscosity polyol composition containing potassium titanate needle crystalSUMITOMO BAYER URETHANE CO·Filed 1990·Granted Mar 17, 1992·0 cites·43 claims
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