Official data from INPI

CARBONATO DE CÁLCIO NATURAL LUBRIFICADO E ESTABILIZADO.

IndeferidaInvention Patent

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Application data

Number

PI8007785

Type

Invention Patent

Filing

11/20/1980

Publication

07/27/1982

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Progress at the INPI

Under appeal

Filing11/20/80
Publication07/27/82
Examination07/24/84
Refused03/10/87
Grant
In force

The application was refused by the INPI on 03/10/1987. The invention was never patented.

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Latest action published by the INPI: 08/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carbomil S/A Mineração e Indústria.

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

C01F 11/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Alteração de numeração

#15.1

08/04/1987

RPI 876

Indeferimento

#9.2

03/10/1987

RPI 855

Pedido de certificado de adição de invenção

#5.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

07/27/1982

RPI 614

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