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Official data from INPI

PROCESSO PARA CONVERTER POR OLIGOMERIZAÇÃO CATALÍTICA OLEFINAS COMPREENDENDO ETILENO EM HIDROCARBONETOS SUPERIORES

Em AnáliseInvention Patent

Application data

Number

PI8506698

Type

Invention Patent

Filing

04/26/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/26/85
  2. Publication04/15/86
  3. Examination02/23/88
  4. Allowance02/04/92
  5. Grant10/27/92
  6. Terminated09/19/95

The patent was granted on 10/27/1992 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlantic Richfield Company

US

See this company's full portfolio

Inventors

H. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

604.785 · 04/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

06/09/1992

RPI 1123

Deferimento

#9.1

02/04/1992

RPI 1105

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

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