Patents by Inventor Katami Watanabe

Katami Watanabe 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).

  • Water-soluble metal working lubricants
    Patent number: 3945930
    Abstract: A lubricating composition for metal working comprisingA. about 10 to 60% by weight of a water-soluble non-ionic surfactant component comprising at least one ofI. a polyoxyalkylene glycol ester of a fatty acid represented by the general formula (I)r.sup.1 coo(r.sup.2 o).sub.n H (I)or the general formula (II)R.sup.1 COO(R.sup.2 O).sub.n OCR.sup.1 (II)ii. a polyoxyalkylene glycol ether of a fatty alcohol represented by the general formula (III)R.sup.3 O(R.sup.2 O).sub.n H (III)iii. a polyoxyalkylene glycol ether of a fatty alcohol esterified with a fatty acid represented by the general formula (IV)r.sup.3 o(r.sup.2 o).sub.n OCR.sup.1 (IV)andIv. a polyoxyalkylene glycol condensate of a glyceride esterified with a fatty acid represented by the general formula (V) ##EQU1## wherein R.sup.1 CO represents a saturated or unsaturated fatty acid acyl group having about 12 to 22 carbon atoms;R.sup.1.sup.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: March 23, 1976
    Assignees: Toho Chemical Industry Co., Ltd., Nippon Light Metal Research Laboratory, Ltd.
    Inventors: Noboru Sugiyama, Masamichi Suzuki, Katami Watanabe, Keiichi Sugiyama, Hachiro Tadenuma, Takashi Kato, Ryoji Kaneda, Makoto Yoshino