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Official data from INPI

AGENTE AUXILIAR DE TINGIMENTO E PROCESSO PARA O TINGIMENTO DE FIBRAS CELULOSICAS

ConcedidaInvention Patent
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Application data

Number

PI8106870

Type

Invention Patent

Filing

02/19/1981

Publication

12/22/1981
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Progress at the INPI

  1. Filing02/19/81
  2. Publication12/22/81
  3. Examination10/18/83
  4. Allowance07/30/85
  5. Grant02/25/86
  6. Terminated02/04/92

The patent was granted on 02/25/1986 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANDOZ AG

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Inventors

K. B. (pessoa física)

K. W. (pessoa física)

R. T. (pessoa física)

Technical data

IPC Classification

C08G 12/04C08G 12/34D06M 15/423D06P 1/52D06P 1/56D06P 3/62D06P 3/66D06P 5/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Notificação de entrada na fase nacional - PCT

#1.3

12/22/1981

RPI 583

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 73/00; D06L 3/12; D06P 1/38; D06P 3/66; D06P 5/08.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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