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.

Date of Patent:
May. 18, 1993

Filed:

Jan. 04, 1991
Applicant:
Inventors:

Fumio Yoshii, Gunma, JP;

Keizo Makuuchi, Gunma, JP;

Isao Ishigaki, Gunma, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; C08F / ;
U.S. Cl.
CPC ...
424489 ; 424501 ; 424502 ; 424409 ; 523102 ; 523122 ; 523300 ; 522 78 ; 522184 ; 522186 ; 522911 ; 522912 ; 5147726 ;
Abstract

A process for producing a slow-release powder which permit various active ingredients such as perfumes, insect control agents, rust inhibitors, mold inhibitors and antibacterial agents to be slowly released over a prolonged time, the process comprising the steps of mixing a long-chain compound with the ingredients, mixing the resulting mixture with urea, and exposing the resulting urea adduct to radiation.


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