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Official data from INPI

PROCESSO PARA A DECOMPOSICAO DE PESO MOLECULAR DE BORRACHA NATURAL EM FORMA DE LATEX E EMPREGO

Em AnáliseInvention Patent

Application data

Number

PI8700883

Type

Invention Patent

Filing

03/01/1986

Publication

12/22/1987

Progress at the INPI

  1. Filing03/01/86
  2. Publication12/22/87
  3. Examination04/12/88
  4. Allowance
  5. Grant
  6. In force

Published on 12/22/1987, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HUELS CHEMISCHE WERKE AG [DE]

Inventors

M. M. (pessoa física)

S. H. (pessoa física)

S. G. (pessoa física)

S. B. (pessoa física)

Pessoa física

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Retificação

#15.3

09/17/1991

RPI 1085

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