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Official data from INPI

PROCESSO PARA FABRICACAO DE SULFATO DE SODIO,PRINCIPALMENTE EM SULFATO DE SODIO CONTENDO TRACOS DE METIONINA,E PRODUTO OBTIDO

ConcedidaInvention Patent

Application data

Number

PI7806735

Type

Invention Patent

Filing

10/12/1977

Publication

-

Progress at the INPI

  1. Filing10/12/77
  2. Publication
  3. Examination
  4. Allowance05/22/84
  5. Grant11/27/84
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

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Inventors

G. J. (pessoa física)

L. A. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

6.2

12/29/1981

RPI 584

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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