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Official data from INPI

MISTURA DE POLÍMEROS, PROCESSO PARA A PREPARAÇÃO DE UM CONCENTRADO DE COPOLÍMERO DE ENXERTO, E COMPOSIÇÃO DE UM OU MAIS POLÍMEROS POLARES COM UM OU MAIS POLÍMEROS NÃO POLARES E UM COPOLÍMERO DE ENXERTO

PublicadaInvention Patent

Application data

Number

PI8901431

Type

Invention Patent

Filing

03/28/1989

Publication

11/14/1989

Progress at the INPI

  1. Filing03/28/89
  2. Publication11/14/89
  3. Abandoned09/11/90
  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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

US

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Inventors

C. I. (pessoa física)

N. B. (pessoa física)

R. G. (pessoa física)

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

174.648 · 03/29/1988

US

315,501 · 03/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/14/1989

RPI 995

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Arquivamento - Art. 36 §1° da LPI

#11.2

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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