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:
Jun. 04, 2002
Filed:
Jul. 10, 1998
Tsukasa Maekawa, Tokushima, JP;
Toshinori Takao, Tokushima, JP;
Sadafumi Shono, Tokushima, JP;
Chiaki Yasumaru, Tokushima, JP;
Shigeru Sumitomo, Tokushima, JP;
Nobuyuki Ueda, Tokushima, JP;
Yoshifumi Tachi, Tokushima, JP;
Otsuka Chemical Co., Ltd., Osaka, JP;
Abstract
A powder comprising a blowing agent powder core which is coated with at least one oil-like substance on its surface, and a process for producing a powder comprising a blowing agent powder core which is coated with at least one oil-like substance on its surface, comprising the following steps (a) and (b): (a) adding at least one oil-like substance in the form of a mist to a blowing agent powder; and (b) mixing the oil-like substance with the blowing agent powder under such mixing conditions that the blowing agent powder is less susceptible to pulverization.