Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8154571 | Thermal recording material containing tris(2-Methyl-4-hydroxy-5-t-butylphenyl)butane | Etsuo Tobita, Koichi Shigeno, Satoru Kanda, Yamahiko Egami | 2012-04-10 |
| 4888371 | Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentaerythritol spiro phosphites and synthetic resin compositions containing such phosphites | Kenji Tajima, Tetsuo Tsuboi | 1989-12-19 |
| 4698381 | "N,N',N""-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane triamines as stabilizers for synthetic polymers" | Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata | 1987-10-06 |
| 4673701 | Alkylidene bisphenol phosphites and phosphates having 2,2,6,6-tetramethyl piperidinyl groups and synthetic resin composition | Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata | 1987-06-16 |
| 4623685 | Thermosetting synthetic resin lacquer compositions of improved light stability | Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata | 1986-11-18 |
| 4525506 | Polyhydric alcohol ethers of 2,2,6,6-tetramethyl-4-piperidone ketals and synthetic resin compositions | Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata | 1985-06-25 |
| 4500663 | Light stabilizing N,N,N-tris(2,2,6,6-tetramethyl-4-piperidone ketal)-1,3,5-triazine derivatives and light stabilized synthetic resin compositions | Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata | 1985-02-19 |
| 4468488 | Poly(piperidylamine) alkanes and synthetic resin compositions stabilized thereby | Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata | 1984-08-28 |
| 4460725 | Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester groups and synthetic resin compositions | William E. Leistner, Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata | 1984-07-17 |
| 4415688 | Poly(piperidylamine) alkanes and synthetic resin compositions stabilized thereby | Motonobu Minagawa, Yutaka Nakahara, Toshihiro Shibata | 1983-11-15 |
| 4404301 | Polymeric light stabilizers having at least one 2,2,6,6-tetraalkyl piperidyl group and synthetic resin compositions containing the same | Naohiro Kubota, Toshihiro Shibata | 1983-09-13 |