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Official data from INPI

PROCESSO PARA A EXTRAÇÃO DE PARAFINAS DE MISTURAS DAS MESMAS COM ÁCIDO ALCANSULFÔNICO

Em AnáliseInvention Patent

Application data

Number

PI8701987

Type

Invention Patent

Filing

03/27/1987

Publication

01/12/1988

Progress at the INPI

  1. Filing03/27/87
  2. Publication01/12/88
  3. Examination04/26/88
  4. Allowance06/27/95
  5. Abandoned
  6. In force

The application was allowed on 06/27/1995 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enichem Augusta S.p.A.

IT

Eniricerche S.p.A.

IT

Inventors

A. M. (pessoa física)

IT

E. P. (pessoa física)

IT

E. P. (pessoa física)

IT

L. F. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19.983 A/86 · 03/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Arquivamento - Art. 38 §2° da LPI

#11.4

07/09/1996

RPI 1336

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

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