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Official data from INPI

PROCESSO DE PRODUÇÃO DE TERMOFOSFATO POTÁSSICO

ConcedidaInvention Patent

Application data

Number

PI8108511

Type

Invention Patent

Filing

12/28/1981

Publication

08/16/1983

Progress at the INPI

  1. Filing12/28/81
  2. Publication08/16/83
  3. Examination06/18/85
  4. Allowance12/13/88
  5. Grant07/25/89
  6. In force12/28/01

The patent was granted on 07/25/1989 and is in force until 12/28/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/28/2001

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT

SP, BR

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Inventors

J. V. (pessoa física)

BR

R. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

07/05/1988

RPI 924

Retificação

#15.6

12/01/1987

RPI 893

Alteração de numeração

#15.1

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Solicitação de exame não realizada

#4.2

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

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