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Official data from INPI

PROCESSO PARA REMOÇÃO DE DIÓXIDO DE ENXOFRE.

ArquivadaInvention Patent

Application data

Number

PI8605586

Type

Invention Patent

Filing

11/12/1986

Publication

08/18/1987

Progress at the INPI

  1. Filing11/12/86
  2. Publication08/18/87
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/12/1986 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The M.W. Kellogg Company

US

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Inventors

A. S. (pessoa física)

US

A. J. (pessoa física)

US

J. O. (pessoa física)

US

W. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

799.052 · 11/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/12/1989

RPI 999

Publicação do pedido de patente

#3.1

08/18/1987

RPI 878

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

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