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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE HIDROCARBONETOS ALQUIL AROMÁTICOS

Em ExigênciaInvention Patent

Application data

Number

PI8404745

Type

Invention Patent

Filing

09/21/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/21/84
  2. Publication08/13/85
  3. Examination12/10/85
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Terminated05/14/96

The patent was granted on 12/31/1991 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: 03/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UOP Inc.

US

See this company's full portfolio

Inventors

B. V. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

534.912 · 09/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

12/10/1985

RPI 790

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

Conhecimento de parecer técnico

#7.1

07/31/1990

RPI 1026

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