Official data from INPI

PROCESSO PARA FABRICAÇÃO DE URÉIA PROTEGIDA.

Em AnáliseInvention Patent

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Application data

Number

PI8504482

Type

Invention Patent

Filing

09/16/1985

Publication

01/14/1986

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Progress at the INPI

Filing09/16/85
Publication01/14/86
Examination04/29/86
Refused01/15/91
Grant
In force

The application was refused on 01/15/1991 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

Inventors

A. C. (pessoa física)

Technical data

IPC Classification

C07C 126/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

04/29/1986

RPI 810

Publicação antecipada

#3.2

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Republicação - classificação IPC

#15.11

06/25/1991

RPI 1073

111

01/15/1991

RPI 1050

Petição de recurso

#12.2

06/19/1990

RPI 1023

Indeferimento

#9.2

03/06/1990

RPI 1008

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