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:
Jun. 24, 1986
Filed:
May. 22, 1984
Applicant:
Inventors:
Shunsuke Tazawa, Tokyo, JP;
Katsuhiko Kurihara, Yokohama, JP;
Yuzuru Kawagoe, Abiko, JP;
Seinosuke Ando, Sayama, JP;
Kazuhiko Kon, Hachinohe, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C05C / ;
U.S. Cl.
CPC ...
71 28 ; 71 30 ; 71 6411 ;
Abstract
A slow release nitrogen fertilizer comprising a hydrous cured product of urea-formaldehyde condensate in which the total methylol content is 0.1 to 1.0% by weight (based on the weight of hydrous product) and the hot water-dissolution percentage [percentage of the cured product dissolved in hot water at 80.degree. C. when the product has been immersed therein for 30 minutes (based on the weight of anhydrous product)] is 10% by weight or less.