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:
Dec. 28, 1999
Filed:
Apr. 08, 1998
Keisuke Kato, Chiba-ken, JP;
Hiromichi Sugiyama, Iwaki, JP;
Yuji Kawaguchi, Matsudo, JP;
Takeshi Nakamura, Tokyo, JP;
Kunimine Industries Co., Ltd., Tokyo, JP;
Abstract
There is disclosed a water-swellable composition that comprises a water-swellable clay, an asphalt, and at least one selected from the group consisting of temperature-sensitivity improving agents and reinforcing fillers. This water-preventing sealant can be produced relatively easily at a low cost, it is excellent in water-preventing performance, long-term stability, and self-sealing property, it has adhesiveness as well as shape-retainability and heat resistance, it is relatively low in compression impact resilience, it is excellent in ability to follow a substrate at the time of the application, and it is also excellent in applicability.