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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE COPOLÍMEROS DE BAIXO PESO MOLECULAR DE HALOGENETOS DE VINILA OU VINILIDENO E ÉSTERES DE VINILA DE ÁCIDOS GRAXOS

Em AnáliseInvention Patent

Application data

Number

PI8505037

Type

Invention Patent

Filing

10/10/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/10/85
  2. Publication07/29/86
  3. Examination08/23/88
  4. Allowance10/02/90
  5. Grant04/30/91
  6. Terminated08/15/95

The patent was granted on 04/30/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/23/1988. 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

Z. S. (pessoa física)

Technical data

Priority claims

US

660.180 · 10/12/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

12/17/1985

RPI 791

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

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