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Official data from INPI

PROCESSO PARA NEUTRALIZAR ÁCIDO SULFÚRICO OU SULFÔNICO ORGÂNICO E APARELHO ÚTIL PARA PRODUZIR UM SULFATO OU SULFONATO ORGÂNICO OU UMA MISTURA DESTES, ADEQUADOS PARA USO COMO UM DETERGENTE

ConcedidaInvention Patent

Application data

Number

PI8404724

Type

Invention Patent

Filing

09/20/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/20/84
  2. Publication08/13/85
  3. Examination09/15/87
  4. Allowance01/03/89
  5. Grant09/26/89
  6. Terminated05/14/96

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Colgate-Palmolive Company

US

See this company's full portfolio

Inventors

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

534,570 · 09/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Deferimento

#9.1

01/03/1989

RPI 950

Solicitação de exame técnico

#4.1

09/15/1987

RPI 882

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

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