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Official data from INPI

PROCESSO PARA PRODUZIR UM ÁLCOOL SUPERIOR A PARTIR DE UMA CARGA DE ALIMENTAÇÃO OLEFÍNICA E DE UMA COM C6 A C12, E RESÍDUO HOF.

Em AnáliseInvention Patent

Application data

Number

PI8506001

Type

Invention Patent

Filing

11/29/1985

Publication

08/19/1986

Progress at the INPI

  1. Filing11/29/85
  2. Publication08/19/86
  3. Examination08/18/87
  4. Allowance10/26/93
  5. Grant05/31/94
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/18/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

See this company's full portfolio

Inventors

J. H. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

GB

84-30223 · 11/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

02/18/1986

RPI 800

Carta-patente expirada

#21.1

Patente extinta em 29/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

12/17/1991

RPI 1098

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