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Official data from INPI

AGENTE DE PRÉ-SULFETAÇÃO, PROCESSO PARA PRÉ-SULFETAÇÃO DE UM CATALISADOR DE HIDROTRATAMENTO E CATALISADOR DE HIDROTRATAMENTO SULFETADO

PublicadaInvention Patent

Application data

Number

PI8800209

Type

Invention Patent

Filing

01/21/1988

Publication

08/30/1988

Progress at the INPI

  1. Filing01/21/88
  2. Publication08/30/88
  3. Abandoned01/08/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

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

Applicants and inventors

Applicants

Atochem North America, Inc.

US

See this company's full portfolio

Inventors

W. T. (pessoa física)

US

Technical data

Priority claims

US

006,398 · 01/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/30/1988

RPI 932

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

Arquivamento - Art. 36 §1° da LPI

#11.2

02/21/1995

RPI 1264

Exigência - art. 36 da LPI

#6.1

08/23/1994

RPI 1238

14.4

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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