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Official data from INPI

PROCESSO DE OBTENÇÃO DE TRIMETILOLPROPANO.

PublicadaInvention Patent
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Application data

Number

PI8801901

Type

Invention Patent

Filing

04/21/1988

Publication

11/14/1989
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Progress at the INPI

  1. Filing04/21/88
  2. Publication11/14/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/21/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Copenor - Companhia Petroquímica do Nordeste

Inventors

F. N. (pessoa física)

R. Q. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

08/23/1988

RPI 931

Arquivamento - Art. 33 da LPI

#11.1

11/24/1992

RPI 1147

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