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.:

US 8481611 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 09, 2013

Filed:

Dec. 29, 2007
Applicants:

Jae Ho OH, Seongnam-si, KR;

Yang Hwan Cho, Cheongju-si, KR;

Inventors:

Jae Ho Oh, Seongnam-si, KR;

Yang Hwan Cho, Cheongju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/29 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to an artificial marble comprising a base resin; and layer-separated chips containing a matrix resin and additives, all or part of said additives is present in a state forming layered-phase in said matrix resin through phase-separation by a difference of specific gravity between said additives and said matrix resin, and a method for preparing the same. In the present invention, phase-separation (layer separation) of the additives in the chip is induced by adding the additives having specific gravity different from the matrix resin constituting base of the chip to the matrix resin, and if necessary, a position of the chip in the artificial marble is controlled through high specific gravity treatment. Therefore, the present invention may provide an artificial marble having a texture close to a natural rock by embodying various effects such as pearl effect, metallic effect and 3-dimensional effect.


Find Patent Forward Citations

Oh, Jae. (2013). Artificial marble and preparation method thereof (U.S. Patent No. 8481611). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8481611

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