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Official data from INPI

PROCESSO PARA POLIMERIZAÇÃO EM ESTADO SÓLIDO DE UM PRÉ-POLÍMERO DE BAIXO PESO MOLECULAR A RESINA POLIÉSTER DE ALTO PESO MOLECULAR

Prazo de SigiloInvention Patent

Application data

Number

PI8903074

Type

Invention Patent

Filing

06/23/1989

Publication

03/06/1990

Progress at the INPI

  1. Filing06/23/89
  2. Publication03/06/90
  3. Abandoned05/26/92
  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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

The Goodyear Tire & Rubber Company

US

See this company's full portfolio

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

229.680 · 08/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/15/1989

RPI 982

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

14.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

05/26/1992

RPI 1121

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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