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Official data from INPI

ADJUVANTE DE FLOCULAÇÃO E PROCESSO DE FLOCULAÇÃO ESPECIALMENTE PARA O TRATAMENTO DAS ÁGUAS.

Em AnáliseInvention Patent
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Application data

Number

PI8206579

Type

Invention Patent

Filing

11/12/1982

Publication

09/27/1983
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Progress at the INPI

  1. Filing11/12/82
  2. Publication09/27/83
  3. Examination12/31/85
  4. Allowance07/11/89
  5. Grant02/06/90
  6. Terminated01/03/95

The patent was granted on 02/06/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

F. M. (pessoa física)

FR

Y. D. (pessoa física)

FR

Technical data

IPC Classification

C02F 1/56

Priority claims

FR

81.21360 · 11/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

08/23/1988

RPI 931

Conhecimento de parecer técnico

#7.1

03/01/1988

RPI 906

6.2

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

8.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

Concessão da patente

#16.1

02/06/1990

RPI 1005

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