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Official data from INPI

PROCESSO DE PRODUÇÃO DE OLEFINAS SULFURIZADAS COMO ADITIVO MULTIFUNCIONAL E COMPOSIÇÃO CONTENDO OLEFINAS SULFURIZADAS.

PublicadaInvention Patent

Application data

Number

PI8605927

Type

Invention Patent

Filing

12/03/1986

Publication

06/28/1988

Progress at the INPI

  1. Filing12/03/86
  2. Publication06/28/88
  3. Examination09/04/90
  4. Allowance09/08/93
  5. Abandoned
  6. In force

The application was allowed on 09/08/1993 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

A. H. (pessoa física)

US

D. L. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Arquivamento - Art. 38 §2° da LPI

#11.4

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/08/1994

RPI 1214

Deferimento

#9.1

09/08/1993

RPI 1188

Exigência - art. 36 da LPI

#6.1

02/09/1993

RPI 1158

Solicitação de exame técnico

#4.1

09/04/1990

RPI 1031

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