Patents by Inventor Shigehito Araki

Shigehito Araki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • .alpha.-Cyanoamine compounds and a process for producing the same
    Patent number: 4068070
    Abstract: .alpha.-Cyanoamine compounds represented by the following formula or an acid addition salt thereof ##STR1## WHEREIN R.sub.1 is a halogen atom or lower alkoxy group, R.sub.2 and R.sub.3 are a hydrogen atom or lower alkoxy group, R.sub.4 is a hydrogen atom or lower alkyl group, R.sub. 5 is a hydrogen atom, --COOR.sub.6 (R.sub.6 is lower alkyl group), ##STR2## (R.sub.7 is lower alkoxy group, m is a numeral 0-3), --R.sub.8 --COOR.sub.9 (R.sub.8 is lower alkylene group, R.sub.9 is lower alkyl group), ##STR3## (R.sub.10 and R.sub.11 are a hydrogen atom or lower alkyl group, or R.sub.10 and R.sub.11 jointly form alkylene group), or ##STR4## (R.sub.1 to R.sub.4 are the same as defined above) and n is a numeral 2 or 3; but it is excluded when R.sub.5 is hydrogen atom or --COOR.sub.6 (R.sub.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: January 10, 1978
    Assignees: Fuji Chemical Industry Co., Ltd., Nippon Chemiphar Co., Ltd.
    Inventors: Katsumi Sakai, Yukio Onogawa, Yoshitaka Inamoto, Hiroshi Nakajima, Yasuo Fujimoto, Kuniichiro Ohno, Masashi Yoshida, Shigehito Araki
  • Alpha-cyanoamine compounds and a process for producing the same
    Patent number: 3962247
    Abstract: .alpha.-Cyanoamine compounds represented by the following formula or an acid addition salt thereof ##SPC1##Wherein R.sub.1 is a halogen atom or lower alkoxy group, R.sub.2 and R.sub.3 are a hydrogen atom or lower alkoxy group, R.sub.4 is a hydrogen atom or lower alkyl group, R.sub.5 is a hydrogen atom, -COOR.sub.6 (R.sub.6 is lower alkyl group), ##SPC2##(R.sub.7 is lower alkoxy group, m is a numeral 0-3), --R.sub.8 --COOR.sub.9 (R.sub.8 is lower alkylene group, R.sub.9 is lower alkyl group), ##EQU1## (R.sub.10 and R.sub.11 are a hydrogen atom or lower alkyl group, or R.sub.10 and R.sub.11 jointly form alkylene group), or ##SPC3##(R.sub.1 to R.sub.4 are the same as defined above) and n is a numeral 2 or 3; but it is excluded when R.sub.5 is hydrogen atom or --COOR.sub.6 (R.sub.
    Type: Grant
    Filed: August 6, 1974
    Date of Patent: June 8, 1976
    Assignees: Fuji Chemical Industry Co., Ltd., Nippon Chemiphar Co., Ltd.
    Inventors: Katsumi Sakai, Yukio Onogawa, Yoshitaka Inamoto, Hiroshi Nakajima, Yasuo Fujimoto, Kuniichiro Ohno, Masashi Yoshida, Shigehito Araki