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Official data from INPI

PRODUTOS FLUORADOS,COMPOSICOES PARA O TRATAMENTO OLEOFUGO,HIDROFUGO,PROCESSO PARA A PREPARACAO DOS PRODUTOS FLUORADOS,MATERIAIS E ARTIGOS

ConcedidaInvention Patent
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Application data

Number

PI7907316

Type

Invention Patent

Filing

11/14/1978

Publication

-
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Progress at the INPI

  1. Filing11/14/78
  2. Publication
  3. Examination
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Expired05/02/95

The letters patent expired on 05/02/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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Inventors

D. A. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

C07C 323/00C07C 323/52C07C 323/60C07C 323/62C08F 20/10C08F 2/38C08G 65/00C08G 65/334C09K 3/00C09K 3/16D06M 13/00D06M 13/02D06M 13/184D06M 13/203D06M 13/244D06M 13/248D06M 13/252D06M 13/272D06M 13/322D06M 13/402D06M 13/438D06M 15/21D06M 15/244D06M 15/277D21H 17/00D21H 17/34D21H 19/00D21H 19/20D21H 21/14D21H 21/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

6.2

04/06/1982

RPI 598

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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