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Official data from INPI

PROCESSO PARA PRODUÇÃO DE MICROCÁPSULAS

Em ExigênciaInvention Patent

Application data

Number

PI8406993

Type

Invention Patent

Filing

07/27/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/27/84
  2. Publication07/02/85
  3. Examination11/26/85
  4. Allowance10/09/90
  5. Grant05/28/91
  6. Terminated05/14/96

The patent was granted on 05/28/1991 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsui Toatsu Chemicals, Incorporated

JP

See this company's full portfolio

Inventors

K. H. (pessoa física)

JP

M. A. (pessoa física)

JP

Y. O. (pessoa física)

JP

Y. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

130867/1984 · 06/27/1984

JP

136871/1983 · 07/28/1983

JP

70959/1984 · 04/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/17/1989

RPI 991

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Republicação - classificação IPC

#15.11

09/24/1991

RPI 1086

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

01/22/1991

RPI 1051

Deferimento

#9.1

10/09/1990

RPI 1036

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