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Official data from INPI

PROCESSO PARA FAZER UMA EMULSÃO DE ÁGUA EM ÓLEO

Arquivada/ExtintaInvention PatentPCT · US1986002598
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Application data

Number

PI8607222

Type

Invention Patent

Filing

12/03/1986

Publication

12/06/1988

PCT

US1986002598
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Progress at the INPI

  1. Filing12/03/86
  2. Publication12/06/88
  3. Examination01/02/90
  4. Allowance03/11/97
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

J. F. (pessoa física)

US

Technical data

IPC Classification

C06B 47/14C10M 173/00C10N 30/12C10N 40/08C23F 11/00E21B 43/27

Priority claims

US

806,164 · 12/06/1985

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 25/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/25/1998

RPI 1444

Notificação para pagamento de retribuição

#13.1

10/14/1997

RPI 1402

Deferimento

#9.1

03/11/1997

RPI 1371

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

10/20/1992

RPI 1142

Solicitação de exame técnico

#4.1

01/02/1990

RPI 1000

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