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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM ÁCIDO DITIOFOSFÓRICO

ArquivadaInvention PatentPCT · EP1990000055

Application data

Number

PI9004512

Type

Invention Patent

Filing

01/09/1990

Publication

07/30/1991

PCT

EP1990000055

Progress at the INPI

  1. Filing01/09/90
  2. Publication07/30/91
  3. Examination09/22/92
  4. Allowance07/06/99
  5. Abandoned
  6. In force

The application was allowed on 07/06/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 04/18/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc

US

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Inventors

J. W. (pessoa física)

P. W. (pessoa física)

P. S. (pessoa física)

T. C. (pessoa física)

GB

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

04/18/2000

RPI 1528

Deferimento

#9.1

07/06/1999

RPI 1487

Exigência - art. 36 da LPI

#6.1

09/16/1997

RPI 1398

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

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