The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 20, 1993
Filed:
Apr. 26, 1991
Ichiro Yoshida, Nagano, JP;
Hiroshi Iida, Nagano, JP;
Shuzo Kawaashima, Nagano, JP;
Fukuji Kuroiwa, Shimotakai, JP;
Isamu Ito, Suzaka, JP;
Satoru Asanome, Nagano, JP;
Toshiji Fujimori, Nagano, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A washing/drying method, comprising: dipping a material to be washed into an aqueous solution containing a surfactant having a water repellency so that at least one molecular layer of the water repellent surfactant is attached to the surface of the material to be washed; and then drying the material according to a known drying method such as vacuum drying, shaking off, blowing with gas and heating; or heating the material to be washed with steam at a temperature of less than 100.degree. C. in an atmosphere reduced to a pressure such that the boiling point of water becomes less than 100.degree. C.; and then drying the material according to a known drying method such as vacuum drying, shaking off, blowing with air, and heating.