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Official data from INPI

MICROEMULSÃO PARA INIBIR O CRESCIMENTO DE BACTÉRIAS, FUNGOS OU ALGAS

PublicadaInvention Patent

Application data

Number

PI8803875

Type

Invention Patent

Filing

08/04/1988

Publication

02/21/1989

Progress at the INPI

  1. Filing08/04/88
  2. Publication02/21/89
  3. Examination04/16/91
  4. Allowance04/09/96
  5. Grant04/29/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

US

See this company's full portfolio

Inventors

J. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

081,922 · 08/05/1987

US

209,620 · 06/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/21/1989

RPI 957

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Carta-patente expirada

#21.1

Patente extinta em 04/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/29/1997

RPI 1378

Republicação - classificação IPC

#15.11

02/25/1997

RPI 1369

Deferimento

#9.1

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

04/16/1991

RPI 1063

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