Inventor
TAKAHASHI YUKOH
JP16 patents
Patents
16 patentsUS4511491AApr 16, 1985
Stabilizers for synthetic resins
SUMITOMO CHEMICAL CO67 citations96
US5049604ASep 17, 1991
Process for producing piperidine derivative and stabilized resin composition containing said derivative
SUMITOMO CHEMICAL CO22 citations92
US4985479AJan 15, 1991
Stabilized polyolefin composition
SUMITOMO CHEMICAL CO30 citations92
US4562281ADec 31, 1985
Production of bisphenol derivatives
SUMITOMO CHEMICAL CO30 citations92
US4525514AJun 25, 1985
Stabilizer for polymeric substance and polymeric substance composition containing the same
SUMITOMO CHEMICAL CO37 citations92
US4774274ASep 27, 1988
Thermally stabilized butadiene resins containing a hindered phenolic acrylate or methacrylate
SUMITOMO CHEMICAL CO30 citations90
US4539355ASep 3, 1985
Phosphorus-containing compounds, their production and their use as antioxidants
SUMITOMO CHEMICAL CO8 citations74
US4507417AMar 26, 1985
Stabilizers for synthetic resins
SUMITOMO CHEMICAL CO11 citations74
US4732923AMar 22, 1988
Butadiene polymer composition
SUMITOMO CHEMICAL CO12 citations73
US4725634AFeb 16, 1988
Stabilizer for synthetic resins
SUMITOMO CHEMICAL CO14 citations73
US4670489AJun 2, 1987
Piperidine derivatives, their production and use as stabilizers
SUMITOMO CHEMICAL CO9 citations73
US4670488AJun 2, 1987
Piperidine derivatives, their production and use as stabilizers
SUMITOMO CHEMICAL CO17 citations73
US4578410AMar 25, 1986
Piperidine derivatives, their production and stabilized polymer compositions containing same
SUMITOMO CHEMICAL CO13 citations73
US4448915AMay 15, 1984
Acetylene carbamide derivatives, processes for their production, and antioxidants for organic substances which comprise such derivatives as active ingredients
SUMITOMO CHEMICAL CO4 citations63
US4812494AMar 14, 1989
Stabilized styrene polymer
SUMITOMO CHEMICAL CO5 citations62
US4719037AJan 12, 1988
Piperidine derivatives, production process therefor, and stabilizers for organic substances containing said derivatives as an active component
SUMITOMO CHEMICAL CO1 citations51