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Official data from INPI

MODIFICADORES DE IMPACTO PARA RESINAS DE CLORETO DE POLIVINILA

PublicadaInvention Patent

Application data

Number

PI8700523

Type

Invention Patent

Filing

01/30/1986

Publication

12/15/1987

Progress at the INPI

  1. Filing01/30/86
  2. Publication12/15/87
  3. Abandoned05/22/90
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

T. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/15/1987

RPI 895

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

10.1

06/12/1990

RPI 1022

Solicitação de exame técnico

#4.1

05/22/1990

RPI 1019

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