BR0304913B1 - process for the reduction of naphthic acidity in oil or its fractions. - Google Patents

process for the reduction of naphthic acidity in oil or its fractions.

Info

Publication number
BR0304913B1
BR0304913B1 BRPI0304913-2A BR0304913A BR0304913B1 BR 0304913 B1 BR0304913 B1 BR 0304913B1 BR 0304913 A BR0304913 A BR 0304913A BR 0304913 B1 BR0304913 B1 BR 0304913B1
Authority
BR
Brazil
Prior art keywords
naphthic
acidity
fractions
oil
reduction
Prior art date
Application number
BRPI0304913-2A
Other languages
Portuguese (pt)
Other versions
BR0304913A (en
Inventor
Moreira Elizabeth Marques
Lacerda Alvarenga Baptista Claudia Maria De
Paulo O'connor
Cerqueira Henrique Soares
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to BRPI0304913-2A priority Critical patent/BR0304913B1/en
Publication of BR0304913A publication Critical patent/BR0304913A/en
Publication of BR0304913B1 publication Critical patent/BR0304913B1/en

Links

BRPI0304913-2A 2003-10-03 2003-10-03 process for the reduction of naphthic acidity in oil or its fractions. BR0304913B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0304913-2A BR0304913B1 (en) 2003-10-03 2003-10-03 process for the reduction of naphthic acidity in oil or its fractions.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0304913-2A BR0304913B1 (en) 2003-10-03 2003-10-03 process for the reduction of naphthic acidity in oil or its fractions.

Publications (2)

Publication Number Publication Date
BR0304913A BR0304913A (en) 2005-06-14
BR0304913B1 true BR0304913B1 (en) 2013-04-02

Family

ID=34637779

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0304913-2A BR0304913B1 (en) 2003-10-03 2003-10-03 process for the reduction of naphthic acidity in oil or its fractions.

Country Status (1)

Country Link
BR (1) BR0304913B1 (en)

Also Published As

Publication number Publication date
BR0304913A (en) 2005-06-14

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PETROLEO BRASILEIRO S.A - PETROBRAS (BR/RJ) , ALBE

Free format text: TRANSFERIDO DE: AKZO NOBEL N.V.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/10/2003, OBSERVADAS AS CONDICOES LEGAIS.