Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847237 | Catalyst for ortho-alkylation of phenols, a precursor thereof, and production of ortho-alkylated phenols by use of said catalyst | Shunji Yago, Takashi Kakiuchi, Keiji Arimatsu | 1998-12-08 |
| 5763560 | Method of producing styrene derivatives | Kenzo Tsujimoto, Yoshiharu Ayabe, Ikuzo Nishiguchi, Yoshio Ishino | 1998-06-09 |
| 5545753 | Process for preparing anilines, catalysts used therefor and process for preparing same | Mitsuki Yasuhara, Yuuichirou Tatsuki, Mitsunori Nakamura | 1996-08-13 |
| 5227563 | Preparation of propylene by dehydration of isopropanol in the presence of a pseudo-boehmite derived gamma alumina catalyst | Hiroshi Fukuhara, Mitsuki Yasuhara, Shintaro Araki, Toshiyuki Isaka | 1993-07-13 |
| 5180871 | Process for producing phenols | Hiroshi Fukuhara, Mitsuki Yasuhara | 1993-01-19 |
| 5143644 | Carboxylic acid ester compounds, and their related matters and method of producing the same | Hideo Yamaoka, Toyoji Shimizu, Shinichi Nishiyama, Toru Yamanaka, Shoichi Miyakoshi | 1992-09-01 |
| 5081321 | Preparation of isopropanol | Hiroshi Fukuhara, Yasunori Shibuta, Toshihiro Tachi | 1992-01-14 |
| 5079383 | Method of condensing N-phenyl carbamates | Mitsuki Yasuhara | 1992-01-07 |
| 5017729 | Phenol preparation process and propylene recovery therefrom | Hiroshi Fukuhara | 1991-05-21 |
| 5015786 | Preparation of cumene through alkylation of an aromatic compound and preparation of phenol through cumene | Shintaro Araki, Hiroshi Fukuhara | 1991-05-14 |
| 4987260 | Preparation of anilines | Mitsuki Yasuhara | 1991-01-22 |
| 4933507 | Method of dehydrogenating cyclohexenone | Satoshi Inoki, Yasushi Nakashima | 1990-06-12 |
| 4929762 | Process for producing a phenol and/or a cyclohexanone | Hiroshi Fukuhara | 1990-05-29 |
| 4923837 | Hydrogenation catalyst | Hiroshi Fukuhara, Yasushi Nakashima | 1990-05-08 |
| 4891431 | Process for preparing 2-unsubstituted imidazoles | Sanehiro Yamamoto, Mitsuki Yasuhara, Masato Okano, Mitsunori Nakamura | 1990-01-02 |
| 4675444 | Process for producing aminophenols | Eiji Kato, Tsuyoshi Kimura, Yoichiro Isota | 1987-06-23 |
| 4517387 | Process for production of 2,2-bis(4-hydroxyphenyl) propane | Tadahiko Nishimura, Etsuo Miyake, Kiyotaka Banba | 1985-05-14 |
| 4355190 | Process for recovery of resorcinol from aqueous resorcinol solution containing hydroquinone | Hirohiko Nambu, Hiroaki Nakagawa | 1982-10-19 |
| 4339615 | Process for producing resorcinol | Ichiro Imai, Hiroaki Nakagawa, Masayasu Isibasi, Tohru Taguchi | 1982-07-13 |
| 4322567 | Process for production of aromatic alcohols | Norio Ohno, Hirohiko Nambu | 1982-03-30 |
| 4288637 | Process for preparation of aromatic hydroperoxides | Yoshiyuki Shinohara, Isamu Okubo, Takayuki Nakamura, Seiichi Tanaka | 1981-09-08 |
| 4271322 | Process for preparation of phenols | Hirohiko Nambu | 1981-06-02 |