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Official data from INPI

RESINA DE CLORETO DE POLIVINILA TRATADA COM AGENTE DE BAIXA VISCOSIDADE INERENTE E ALTA TEMPERATURA DE TRANSIÇÃO DE VIDRO E PROCESSO PARA TRATAR UMA RESINA DE CLORETO DE POLIVINILA

PublicadaInvention Patent

Application data

Number

PI8804088

Type

Invention Patent

Filing

08/12/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing08/12/88
  2. Publication03/07/89
  3. Abandoned05/21/91
  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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The B.F. Goodrich Company

US

See this company's full portfolio

Inventors

F. D. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

085,668 · 08/14/1987

US

085,669 · 08/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

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

Solicitação de exame técnico

#4.1

05/21/1991

RPI 1068

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