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Official data from INPI

PROCESSO PARA GELIFICAÇÃO DE LÍQUIDOS ORGÂNICOS HIDROFÓBICOS E AGENTE DE GELIFICAÇÃO

PublicadaInvention Patent

Application data

Number

PI8901816

Type

Invention Patent

Filing

04/18/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/18/89
  2. Publication11/28/89
  3. Abandoned01/21/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

G. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

DE

P3813597.3 · 04/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

01/21/1992

RPI 1103

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