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Official data from INPI

PROCESSO PARA A PREPARACAO DE UMA BORRACHA EM PO ENCHIDA COM ACIDO SILICICO,CAPAZ DE FLUENCIA E BORRACHA EM PO

PublicadaInvention Patent

Application data

Number

PI8700884

Type

Invention Patent

Filing

03/01/1986

Publication

12/22/1987

Progress at the INPI

  1. Filing03/01/86
  2. Publication12/22/87
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/01/1986 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: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HUELS CHEMISCHE WERKE AG [DE]

Inventors

H. G. (pessoa física)

K. W. (pessoa física)

M. K. (pessoa física)

M. M. (pessoa física)

S. J. (pessoa física)

Pessoa física

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Arquivamento - Art. 33 da LPI

#11.1

12/04/1990

RPI 1044

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