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Official data from INPI

PROCESSO PARA PRODUZIR UMA DISPERSÃO DE CÁPSULAS MICROSCÓPICAS CONTENDO CORANTE PARA MATERIAIS DE REGISTRO

ConcedidaInvention Patent

Application data

Number

PI8200821

Type

Invention Patent

Filing

02/16/1982

Publication

-

Progress at the INPI

  1. Filing02/16/82
  2. Publication
  3. Examination06/14/83
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated02/11/92

The patent was granted on 07/28/1987 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: 07/28/1987. 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

H. A. (pessoa física)

JP

K. H. (pessoa física)

JP

M. A. (pessoa física)

JP

M. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

150636/1981 · 09/26/1981

JP

159440/1981 · 10/08/1981

JP

20128/1981 · 02/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Conhecimento de parecer técnico

#7.1

05/14/1985

RPI 760

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Pedido de patente depositado

#2.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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