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Official data from INPI

APARELHO PARA POLIMERIZACAO DE OLEFINAS EM FASE DE VAPOR

ConcedidaInvention Patent

Application data

Number

PI8101491

Type

Invention Patent

Filing

03/14/1980

Publication

-

Progress at the INPI

  1. Filing03/14/80
  2. Publication
  3. Examination02/02/82
  4. Allowance02/12/86
  5. Grant10/29/86
  6. Terminated06/20/95

The patent was granted on 10/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIPPON OIL CO LTD

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Inventors

K. K. (pessoa física)

M. Y. (pessoa física)

M. M. (pessoa física)

M. (pessoa física)

W. (pessoa física)

Y. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1986

RPI 836

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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