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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE COMPOSTOS DE FOSFATOS

Em AnáliseInvention Patent

Application data

Number

PI8504323

Type

Invention Patent

Filing

09/09/1985

Publication

07/01/1986

Progress at the INPI

  1. Filing09/09/85
  2. Publication07/01/86
  3. Examination09/06/88
  4. Allowance12/03/91
  5. Grant10/27/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

E. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

649.031 · 09/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

07/01/1986

RPI 819

Pedido de patente depositado

#2.1

11/12/1985

RPI 786

Carta-patente expirada

#21.1

Patente extinta em 09/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

04/21/1992

RPI 1116

Deferimento

#9.1

12/03/1991

RPI 1096

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