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Official data from INPI

PROCESSO PARA OBTENÇÃO DE DIALQUILFOSFONATOS

Em AnáliseInvention Patent

Application data

Number

PI8302996

Type

Invention Patent

Filing

06/01/1983

Publication

12/20/1983

Progress at the INPI

  1. Filing06/01/83
  2. Publication12/20/83
  3. Examination11/20/84
  4. Allowance02/13/91
  5. Grant10/29/91
  6. Terminated04/25/95

The patent was granted on 10/29/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Explosivos Rio Tinto S/A

ES

Inventors

C. D. (pessoa física)

ES

Technical data

IPC Classification

Priority claims

ES

512,930 · 06/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

11/22/1988

RPI 944

115

10/29/1986

RPI 836

15.9

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

11/20/1984

RPI 735

Publicação antecipada

#3.2

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

07/19/1983

RPI 665

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

Concessão da patente

#16.1

10/29/1991

RPI 1091

11.8

09/17/1991

RPI 1085

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

05/28/1991

RPI 1069

Deferimento

#9.1

02/13/1991

RPI 1054

Exigência - art. 36 da LPI

#6.1

07/31/1990

RPI 1026

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