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Official data from INPI

PROCESSO PARA A POLIMERIZAÇÃO EM ESTADOSÓLIDO DE UM PREPOLÍMERO DE POLIÉSTER ATÉ UMA RESINA DE POLIÉSTER DE ALTO PESO MOLECULAR; E PELÍCULA POROSA

PublicadaInvention Patent

Application data

Number

PI8801361

Type

Invention Patent

Filing

03/24/1988

Publication

11/01/1988

Progress at the INPI

  1. Filing03/24/88
  2. Publication11/01/88
  3. Abandoned02/13/91
  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: 11/01/1988. 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

V. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

030319 · 03/26/1987

US

161.312 · 03/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/19/1988

RPI 926

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C08G 63/26.

03/27/2018

RPI 2464

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

11/28/1995

RPI 1304

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

14.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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