(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO DE PREPARAÇÃO DE LATÉXES ACRÍLICOS.

Arquivada/ExtintaInvention PatentPCT · US1986002252
Talk to an expert

Application data

Number

PI8607226

Type

Invention Patent

Filing

10/20/1986

Publication

12/06/1988

PCT

US1986002252
View on INPI

Progress at the INPI

  1. Filing10/20/86
  2. Publication12/06/88
  3. Examination05/15/90
  4. Allowance07/20/93
  5. Grant02/16/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1988. 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

V. S. (pessoa física)

Technical data

IPC Classification

C08F 220/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 20/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/16/1994

RPI 1211

Deferimento

#9.1

07/20/1993

RPI 1181

Exigência - art. 36 da LPI

#6.1

09/15/1992

RPI 1137

Exigência - art. 36 da LPI

#6.1

01/14/1992

RPI 1102

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.