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Official data from INPI

COMPOSIÇÃO ESTABILIZANTE

ConcedidaInvention Patent

Application data

Number

PI8105851

Type

Invention Patent

Filing

09/14/1981

Publication

06/08/1982

Progress at the INPI

  1. Filing09/14/81
  2. Publication06/08/82
  3. Examination05/15/84
  4. Allowance05/17/88
  5. Grant08/29/89
  6. Terminated03/19/96

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal Chemical Company, Inc.

US

See this company's full portfolio

Inventors

P. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

188.190 · 09/18/1980

US

260.146 · 05/04/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

06/08/1982

RPI 607

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

Pedido de licença compulsória

#20.1

04/02/1991

RPI 1061

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