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 9816030 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 14, 2017

Filed:

Jul. 24, 2013
Applicant:

China National Rice Research Institute, Hangzhou, Zhejiang, CN;

Inventors:

Guosheng Shao, Zhejiang, CN;

Xihong Shen, Zhejiang, CN;

Liyong Cao, Zhejiang, CN;

Jing Wang, Zhejiang, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 17/50 (2006.01); C05G 3/00 (2006.01); C05G 3/04 (2006.01); C09K 17/40 (2006.01);
U.S. Cl.
CPC ...
C09K 17/50 (2013.01); C05G 3/00 (2013.01); C05G 3/04 (2013.01); C09K 17/40 (2013.01);
Abstract

The present invention provides a soil heavy metal curing agent for controlling accumulation of heavy metals of crops and its preparation method. The curing agent is made from the following parts of raw materials by weight: 60˜140 parts of substance containing carbon-carbon double bond; 1˜400 parts of sulfo-compound by sulfur; 50˜500 parts of organic matter by 10% water content; 0˜400 parts of water; 0˜100 parts of an initiator; 0˜200 parts of a reducer; and 0˜200 parts of a strong base. The curing agent for heavy metals in the soil according to the present invention can reduce the cadmium, lead and mercury content in the soil and further greatly reduce the roots' absorption of these heavy metals.


Find Patent Forward Citations

Shao, Guosheng. (2017). Soil heavy metal curing agent for controlling accumulation of heavy metals of crops and preparation method thereof (U.S. Patent No. 9816030). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9816030

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