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:
Aug. 05, 2025
Filed:
Aug. 28, 2020
Universidade Federal DE Minas Gerais—ufmg, Belo Horizonte, BR;
Fertilitatis Innovatio Pesquisas Ltda, Belo Horizonte, BR;
Luiz Carlos Alves De Oliveira, Belo Horizonte, BR;
Jadson Claudio Belchior, Belo Horizonte, BR;
Adilson Candido Da Silva, Belo Horizonte, BR;
Marcio De Figueiredo Portilho, Niteroi, BR;
UNIVERSIDADE FEDERAL DE MINAS GERAIS—UFMG, Belo Horizonte, BR;
FERTILITATIS INNOVATIO PESQUISAS LTDA, Belo Horizonte, BR;
Abstract
A process of chemical cleavage of leather or skins containing chromium using sodium, potassium or calcium methylates (CHO) or ethylates (CHCHO), producing chromium hydroxide (green paste), ammonium sulfate and liquid fertilizer. The chromium trioxide III (CrO) obtained was used in the production of Fe—Cr alloy. The liquid fertilizer was applied to strawberry, violet and acerola crops, and can be applied to other types of crops. The fertilizer is also compatible with pesticides, being able to compose a composition containing fertilizer and pesticide or even used to obtain products containing fertilizers and pesticides, which allow application in a single step, exempting the process in the field A solid NPK fertilizer formulation obtained by combining N recovered from waste and homogeneously mixed with K and P salts.