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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA POLIESTERAMIDA QUE TEM PROPRIEDADES DE RETENÇÃO DE GÁS APERFEIÇOADAS.

Em ExigênciaInvention Patent

Application data

Number

PI8506057

Type

Invention Patent

Filing

03/15/1985

Publication

03/25/1986

Progress at the INPI

  1. Filing03/15/85
  2. Publication03/25/86
  3. Examination01/19/88
  4. Allowance06/12/90
  5. Grant12/26/90
  6. Terminated09/19/95

The patent was granted on 12/26/1990 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eastman Kodak Company

US

See this company's full portfolio

Inventors

B. D. (pessoa física)

US

L. M. (pessoa física)

US

R. B. (pessoa física)

US

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

593.057 · 03/26/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/07/1989

RPI 994

Solicitação de exame técnico

#4.1

01/19/1988

RPI 900

Notificação de entrada na fase nacional - PCT

#1.3

03/25/1986

RPI 805

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

09/25/1990

RPI 1034

Deferimento

#9.1

06/12/1990

RPI 1022

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