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Official data from INPI

PROCESSO PARA PREPARACAO DE COMPOSTOS QUIMICOS

ConcedidaInvention Patent

Application data

Number

PI7901154

Type

Invention Patent

Filing

02/24/1978

Publication

-

Progress at the INPI

  1. Filing02/24/78
  2. Publication
  3. Examination
  4. Allowance04/03/84
  5. Grant10/30/84
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONTEDISON SPA

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Inventors

C. M. (pessoa física)

G. C. (pessoa física)

G. F. (pessoa física)

L. S. (pessoa física)

T. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/03/1984

RPI 702

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

6.2

03/02/1982

RPI 593

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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