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Official data from INPI

PROCESSO APERFEIÇOADO DE CONVERSÃO DE HIDROCARBONETOS; PROCESSO PARA QUEIMA DE UM MATERIAL SÓLIDO CONTENDO ENXOFRE E COMPOSIÇÃO APERFEIÇOADA DA MATÉRIA

ConcedidaInvention Patent

Application data

Number

PI8200282

Type

Invention Patent

Filing

01/19/1982

Publication

09/20/1983

Progress at the INPI

  1. Filing01/19/82
  2. Publication09/20/83
  3. Examination10/08/85
  4. Allowance06/14/88
  5. Grant12/27/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlantic Richfield Company

US

See this company's full portfolio

Inventors

J. Y. (pessoa física)

US

J. J. (pessoa física)

US

Technical data

Priority claims

US

301.676 · 09/14/1981

US

301.678 · 09/14/1981

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

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

06/16/1987

RPI 869

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

Patente extinta em 19/01/97

07/01/2008

RPI 1956

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