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Official data from INPI

processo para à obtenção de anidrido de ácido maleico a partir dos gases de escapamento de equipamentos de anidrido de ácido ftálico e dispositivo.

ArquivadaInvention Patent

Application data

Number

PI8400641

Type

Invention Patent

Filing

02/14/1984

Publication

09/25/1984

Progress at the INPI

  1. Filing02/14/84
  2. Publication09/25/84
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/14/1984 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alusuisse Italia S.p.A.

Inventors

M. S. (pessoa física)

N. A. (pessoa física)

V. L. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

19.637A/83 · 02/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/30/1986

RPI 845

Publicação do pedido de patente

#3.1

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

04/24/1984

RPI 705

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