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

COMPOSIÇÃO DE REVESTIMENTO PARA PROTEGER SUPERFÍCIES MARÍTIMAS CONTRA O DESENVOLVIMENTO DE ORGANISMOS FORMADORES DE INCRUSTAÇÃO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8102038

Type

Invention Patent

Filing

04/03/1981

Publication

11/09/1982
View on INPI

Progress at the INPI

  1. Filing04/03/81
  2. Publication11/09/82
  3. Examination12/26/84
  4. Allowance07/12/88
  5. Grant02/28/89
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elf-Atochem North America, Inc.

US

See this company's full portfolio

Inventors

D. R. (pessoa física)

US

Technical data

IPC Classification

C09D 5/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Solicitação de exame técnico

#4.1

12/26/1984

RPI 740

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

20.4

03/08/1994

RPI 1214

20.4

01/28/1992

RPI 1104

Pedido de licença compulsória

#20.1

01/07/1992

RPI 1101

Related

Patent monitoring

Track this patent in real time.

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