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:
Jul. 16, 2002
Filed:
Aug. 01, 2000
Applicant:
Inventors:
Hideo Takahashi, Sakaide, JP;
Akira Okada, Takamatsu, JP;
Assignee:
Kyowa Chemical Industry Co Ltd, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/326 ; A01G 7/00 ; C08K 5/3435 ;
U.S. Cl.
CPC ...
C01B 3/326 ; A01G 7/00 ; C08K 5/3435 ;
Abstract
A hydrotalcite compound which has the excellent ability to absorb infrared rays and has excellent light transmission when contained in an agricultural film; a process for producing the compound; and an infrared absorber and an agricultural film both containing the compound. The hydrotalcite compound is characterized by retaining as the interlayer anions at least one kind of anions selected among ions of silicon-, phosphorus-, and boron-containing polymeric oxyacids and another kind of anions.