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Official data from INPI

PROCESSO PARA A ESTABILIZACAO DE MASSAS DE MOLDACAO DE CLORETO DE POLIVINILA E COMPOSICAO PARA EXECUCAO DO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8006566

Type

Invention Patent

Filing

06/16/1980

Publication

-

Progress at the INPI

  1. Filing06/16/80
  2. Publication
  3. Examination05/18/82
  4. Allowance08/02/88
  5. Grant04/25/89
  6. Terminated08/02/94

The patent was granted on 04/25/1989 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NEYNABER CHEMIE GMBH

Inventors

L. F. (pessoa física)

W. P. (pessoa física)

W. K. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Conhecimento de parecer técnico

#7.1

01/31/1984

RPI 693

6.2

11/30/1982

RPI 632

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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