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Official data from INPI

PROCESSO PARA A PREPARACAO DE PRODUTOS EM FORMA ESFEROIDA,QUE SAO SOLIDOS A TEMPERATURA AMBIENTE,E PARTICULAS MICROESFEROIDAIS OBTIDAS PELO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI7903724

Type

Invention Patent

Filing

06/13/1978

Publication

-

Progress at the INPI

  1. Filing06/13/78
  2. Publication
  3. Examination02/24/82
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Expired04/04/95

The letters patent expired on 04/04/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONTEDISON SPA

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Inventors

F. M. (pessoa física)

R. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

6.2

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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