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Official data from INPI

COMPOSIÇÃO DE MISTURA DE POLÍMERO AROMÁTICO DE MONOVINILIDENO MODIFICADO COM BORRACHA

DeferidaInvention Patent

Application data

Number

PI8407190

Type

Invention Patent

Filing

11/16/1984

Publication

11/05/1985

Progress at the INPI

  1. Filing11/16/84
  2. Publication11/05/85
  3. Examination09/01/87
  4. Allowance11/14/89
  5. Grant06/26/90
  6. Terminated05/14/96

The patent was granted on 06/26/1990 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: 11/14/1989. 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

D. H. (pessoa física)

US

Technical data

Priority claims

US

553.910 · 11/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Notificação de entrada na fase nacional - PCT

#1.3

11/05/1985

RPI 785

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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