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

Processo permitindo resfriamento contínuo, de um reator por circulação de ar na superfície do meio de reação, provocando o arraste do vapor e aplicação do processo.

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8002450

Type

Invention Patent

Filing

04/22/1980

Publication

-
View on INPI

Progress at the INPI

  1. Filing04/22/80
  2. Publication
  3. Examination
  4. Allowance05/27/86
  5. Grant12/30/86
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

See this company's full portfolio

Inventors

G. J. (pessoa física)

L. D. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

C09B 1/503

Priority claims

FR

79 23895 · 09/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

11/05/1985

RPI 785

6.2

11/16/1982

RPI 630

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

Pedido de licença compulsória

#20.1

08/11/1992

RPI 1132

Pedido de licença compulsória

#20.1

08/04/1992

RPI 1131

Related

Patent monitoring

Track this patent in real time.

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