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Official data from INPI

COMPOSIÇÃO DE POLIÉSTERAMIDA ÚTIL NA PREPARAÇÃO DE CONCRETO POLIMÉRICO

Em AnáliseInvention Patent

Application data

Number

PI8407138

Type

Invention Patent

Filing

10/18/1984

Publication

10/08/1985

Progress at the INPI

  1. Filing10/18/84
  2. Publication10/08/85
  3. Examination09/01/87
  4. Allowance08/08/89
  5. Grant04/24/90
  6. Terminated07/04/95

The patent was granted on 04/24/1990 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

H. J. (pessoa física)

US

Technical data

Priority claims

US

544.763 · 10/24/1983

US

643.571 · 08/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Notificação de entrada na fase nacional - PCT

#1.3

10/08/1985

RPI 781

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

04/24/1990

RPI 1015

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