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Official data from INPI

PROCESSO PARA PRODUÇÃO DE MICROCÁPSULAS E A APLICAÇÀO DESTAS PARA SISTEMAS DE REGISTRO,SENSÍVEIS À PRESSÃO.

ConcedidaInvention Patent

Application data

Number

PI8006418

Type

Invention Patent

Filing

10/06/1980

Publication

-

Progress at the INPI

  1. Filing10/06/80
  2. Publication
  3. Examination07/12/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. In force10/06/00

The patent was granted on 05/28/1985 and is in force until 10/06/2000. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/06/2000

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Basf Brasileira S/A Industria Quimicas

SP, BR

Inventors

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 40 786.1 · 10/08/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

07/12/1983

RPI 664

20.5

04/09/1996

RPI 1323

20.8

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

Pedido de licença compulsória

#20.1

01/02/1991

RPI 1048

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