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Official data from INPI

PROCESSO PARA PRODUZIR ALGUTINANTES DILUIVEIS COM AGUA, TAIS ALGUTINANTES, APLICACAO DOS MESMOS, E COMPOSICOES DE REVESTIMENTO

ConcedidaInvention Patent

Application data

Number

PI8007144

Type

Invention Patent

Filing

04/25/1980

Publication

-

Progress at the INPI

  1. Filing04/25/80
  2. Publication
  3. Examination
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated08/02/94

The patent was granted on 07/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VIANOVA KUNSTHARZ AG

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Inventors

B. A. (pessoa física)

L. W. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Republicação - classificação IPC

#15.11

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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