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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE CORANTES SULFURADOS, PROCESSO PARA A PREPARAÇÃO DE LEUCO-CARBAZOLINDOFENÓIS OU - INDAMINAS E PROCESSO PARA O TINGIMENTO DE CELULOSE E POLIAMIDA.

ArquivadaInvention Patent

Application data

Number

PI8104266

Type

Invention Patent

Filing

07/03/1981

Publication

03/23/1982

Progress at the INPI

  1. Filing07/03/81
  2. Publication03/23/82
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/03/1981 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: 04/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

DE

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Inventors

P. S. (pessoa física)

W. W. (pessoa física)

Technical data

Priority claims

DE

P 30 25 549.3 · 07/05/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

04/02/1985

RPI 754

Publicação do pedido de patente

#3.1

03/23/1982

RPI 596

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