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Official data from INPI

PROCESSO DE ALQUILAÇÃO, E APARELHO PARA TRANSFERIR UM CATALISADOR ÁCIDO LÍQUIDO EM UM PROCESSO DE ALQUILAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004694

Type

Invention Patent

Filing

09/20/1990

Publication

09/10/1991

Progress at the INPI

  1. Filing09/20/90
  2. Publication09/10/91
  3. Examination12/22/92
  4. Allowance04/11/00
  5. Grant08/22/00
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Phillips Petroleum Company

US

See this company's full portfolio

Inventors

H. H. (pessoa física)

US

K. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

410.219 · 09/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/09/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

04/11/2000

RPI 1527

Solicitação de exame técnico

#4.1

12/22/1992

RPI 1151

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

04/02/1991

RPI 1061

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