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    • 7. 发明专利
    • SEPARATION PROCESS OF SULTONE
    • JPS58148876A
    • 1983-09-05
    • JP3212682
    • 1982-03-01
    • LION CORP
    • ANDOU HIDEOHAYASHI AKIRAKITANO KIYOUZOU
    • C07D327/02
    • PURPOSE:To obtain high-quality sultone useful as a raw material for preparing a detergent, an antistatic agent, etc. simply and safely, and to use the remaining sulfonate effectively, by aging a reaction product obtained by sulfonating an olefin, adding a basic aqueous solution with a high concentration to it. CONSTITUTION:10-20C olefin is sulfonated, the reaction product is aged at 20- 150 deg.C (preferably at 40-80 deg.C), and a basic aqueous solution (e.g., >=40wt% aqueous solution of NaOH) with a high concentration is added to it, so that sultone is expelled from the micell of a sulfonate to the outside, separated as a continuous phase, and recovered by settled separation, centrifugation, filtration, etc. Since the remaining sulfonate can be recovered in a state nearly free from thermal decomposition, it is usable as an approximately pure anionic surface active agent with a high concentration. USE:A raw material for preparing a detergent, cosmetic, antistatic agent, auxiliary for fiber, etc.
    • 9. 发明专利
    • METHOD AND APPARATUS FOR MEASUREMENT OF MIXTURE RATIO OF PARTICLES
    • JPH10332567A
    • 1998-12-18
    • JP13727097
    • 1997-05-27
    • LION CORP
    • ITASAKA KOICHIHAYASHI AKIRA
    • G01N15/00G01N15/02G01N21/84G06T1/00G06T7/00
    • PROBLEM TO BE SOLVED: To obtain a method and an apparatus in which the objectivity and the stability of a measurement are enhanced by a method wherein illumination light is irradiated from a plurality of directions, the image of a sample to be measured is acquired and the mixture ratio of particles is computed on the basis of information on the color of the image. SOLUTION: A sample container 2 in which a sample to be measured is placed is placed directly under an illumination device 3. Light which is radiated from a light-emitting part at the illumination device 3 is reflected by a hemispherical reflecting plate so as to irradiate the sample, to be measured, uniformly from respective directions in the upper part. A CCD color camera 1 photographs the color image of the sample to be measured. A color image signal is input to an image processor 4. The image processor 4 first recognizes 10 objects, to be mesas, on the basis of the color of a frame surrounding a sample mounting part. Regarding samples, to be measured, inside respective sample mounting parts, a detergent particle and an enzyme particle are discriminated on the basis of a difference in a color, and an area ratio is computed. The percentage of the area of the enzyme particle is computed, and the addition amount of an enzyme is computed. Additon amounts are computed regarding all the sample mounting parts, and their mean value is used as the measured result of the addition amount of the enzyme.