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Official data from INPI

PROCESSO PARA REMOÇÃO DE ENXÔFRE DE UM FLUXO DE POLISSULFETO ORGÂNICO

PublicadaInvention Patent

Application data

Number

PI8703193

Type

Invention Patent

Filing

06/24/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/24/87
  2. Publication03/08/88
  3. Examination09/25/90
  4. Allowance08/01/95
  5. Abandoned
  6. In force

The application was allowed on 08/01/1995 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: 03/08/1988. 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

G. C. (pessoa física)

US

J. Y. (pessoa física)

US

V. S. (pessoa física)

US

W. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

878,163 · 06/25/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Arquivamento - Art. 38 §2° da LPI

#11.4

09/03/1996

RPI 1344

Notificação para pagamento de retribuição

#13.1

01/02/1996

RPI 1309

Deferimento

#9.1

08/01/1995

RPI 1287

14.4

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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