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Official data from INPI

PROCESSO PARA A REMOÇÃO DE H, S, CO2 E COS DE UMA CORRENTE GASOSA ACRE E PRODUTO OBTIDO

ConcedidaInvention Patent

Application data

Number

PI8203007

Type

Invention Patent

Filing

05/24/1982

Publication

05/10/1983

Progress at the INPI

  1. Filing05/24/82
  2. Publication05/10/83
  3. Examination06/25/85
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated07/18/95

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

G. B. (pessoa física)

US

Z. D. (pessoa física)

US

Technical data

Priority claims

US

267,195 · 05/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

05/10/1983

RPI 655

Pedido de patente depositado

#2.1

07/13/1982

RPI 612

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 53/36; B01D 53/14; C01B 17/05; B01D 53/86; C01B 17/16; C10K 1/10; C10L 3/10; C01B 17/00; C10K 1/00; C10L 3/00.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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