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Official data from INPI

PROCESSO DE FABRICAÇÃO DE ADUBO FOSFATADO DENOMINADO TERMOSUPERFOSFATO.

ConcedidaInvention Patent
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Application data

Number

PI8305261

Type

Invention Patent

Filing

09/26/1983

Publication

11/29/1983
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Progress at the INPI

  1. Filing09/26/83
  2. Publication11/29/83
  3. Examination01/24/84
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fertilizantes Mitsui S/A Industria e Comercio

MG, BR

Inventors

N. T. (pessoa física)

Technical data

IPC Classification

C05B 1/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

08/25/1987

RPI 879

Conhecimento de parecer técnico

#7.1

12/02/1986

RPI 841

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

11/29/1983

RPI 684

Publicação antecipada

#3.2

11/29/1983

RPI 684

Carta-patente expirada

#21.1

Patente extinta em 26/09/98

07/01/2008

RPI 1956

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