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Official data from INPI

PROCESSO DE SEPARACAO SELETIVA DE HIDROGENIO SULFURADO DE MISTURAS GASOSAS CONTENDO TAMBEM ANIDRIDO CARBONICO

Em AnáliseInvention Patent

Application data

Number

PI8103870

Type

Invention Patent

Filing

07/04/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing07/04/80
  2. Publication03/09/82
  3. Examination05/02/84
  4. Allowance11/12/85
  5. Grant06/24/86
  6. Terminated05/24/88

The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. P. (pessoa física)

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Inventors

G. L. (pessoa física)

G. A. (pessoa física)

R. C. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/12/1985

RPI 786

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

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