Official data from INPI

PROCESSO DE OBTENÇÃO DE ENXOFRE ELEMENTAR A PARTIR DE SULFATO DE CÁLCIO

ArquivadaInvention Patent

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Application data

Number

PI8203726

Type

Invention Patent

Filing

06/25/1982

Publication

01/31/1984

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Progress at the INPI

Filing06/25/82
Publication01/31/84
Abandoned05/08/84
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Natron-Consultoria e Projetos S.A.

RJ, BR

Inventors

J. S. (pessoa física)

Technical data

IPC Classification

C01B 17/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

05/08/1984

RPI 707

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

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