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Official data from INPI

MÉTODO DE REMOÇÃO DE TINTAS ACRÍLICAS E COMPOSIÇÃO REMOVEDORA DE TINTA

PublicadaInvention Patent

Application data

Number

PI8804991

Type

Invention Patent

Filing

09/27/1988

Publication

05/02/1989

Progress at the INPI

  1. Filing09/27/88
  2. Publication05/02/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/27/1988 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nalco Chemical Company

US

See this company's full portfolio

Inventors

R. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

101,471 · 09/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/02/1989

RPI 967

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

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