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Official data from INPI

COMPOSIÇÕES ESTÁVEIS, À BASE DE 3-ISOTIAZOLONAS

PublicadaInvention Patent

Application data

Number

PI8805762

Type

Invention Patent

Filing

11/04/1988

Publication

07/25/1989

Progress at the INPI

  1. Filing11/04/88
  2. Publication07/25/89
  3. Examination03/20/90
  4. Allowance11/11/97
  5. Grant08/25/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 07/25/1989. 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

118,366 · 11/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/25/1989

RPI 979

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 04/11/2008

12/18/2012

RPI 2189

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

08/06/1996

RPI 1340

Exigência - art. 36 da LPI

#6.1

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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