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:
Sep. 03, 2002
Filed:
Sep. 14, 2000
Takahiro Sato, Tokyo, JP;
Keisuke Ikushima, Tokyo, JP;
Other;
Abstract
A dental paste-like porcelain is disclosed, including a mixture in a paste-like state of from 7 to 45 parts by weight of a binder comprising a synthetic and/or natural, hydrophilic group-containing polymeric material dissolved in one or two or more organic solvents selected from a dihydric or trihydric alcohol, a hydroxyl group-remaining ether and a hydroxy(meth) acrylate, and/or water and having a viscosity, as measured at a constant temperature of 23° C. and at a conversion constant of 1.61×10 under the conditions that a revolution number is 1 rpm, of from 50,000 to 1,500,000 cps, andaporcelain powder as a remainder, with a total amount being 100 parts by weight. The dental paste-like porcelain according to the invention does not require a condensation procedure. Accordingly, even a beginner can easily carry out the porcelain application of prostheses over a wide range including from a single crown to a bridge, without necessity of the skill. Further, since the dental paste-like porcelain of the present invention is a paste having no porosity incorporated therein and is stable during the present preservation over a long period of time. Moreover, it is hardly dried and hardened during the use and enables to grasp the shade.