BR9505556A - Thermo-chemical process for dewaxing large pipelines - Google Patents

Thermo-chemical process for dewaxing large pipelines

Info

Publication number
BR9505556A
BR9505556A BR9505556A BR9505556A BR9505556A BR 9505556 A BR9505556 A BR 9505556A BR 9505556 A BR9505556 A BR 9505556A BR 9505556 A BR9505556 A BR 9505556A BR 9505556 A BR9505556 A BR 9505556A
Authority
BR
Brazil
Prior art keywords
dewaxing
thermo
chemical process
large pipelines
pipelines
Prior art date
Application number
BR9505556A
Other languages
Portuguese (pt)
Inventor
Carlos Nagib Khalil
Carneiro Da Silva Alberto Cunha
Souza Celso Rodrigo De
Maria Cristina Brum
Martins Claudio Silvio Viana
De Menezes Sonia Maria Cabral
Original Assignee
Petroleo Brasileiro Sa
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 by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Priority to BR9505556A priority Critical patent/BR9505556A/en
Priority to US08/742,126 priority patent/US5824160A/en
Priority to GB9622808A priority patent/GB2307497B/en
Priority to CA002189616A priority patent/CA2189616C/en
Priority to ARP960105109A priority patent/AR004146A1/en
Priority to OA60925A priority patent/OA10859A/en
Priority to CN96110977.7A priority patent/CN1128861C/en
Priority to NO19964951A priority patent/NO317347B1/en
Priority to MX9605725A priority patent/MX9605725A/en
Publication of BR9505556A publication Critical patent/BR9505556A/en

Links

BR9505556A 1995-11-22 1995-11-29 Thermo-chemical process for dewaxing large pipelines BR9505556A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BR9505556A BR9505556A (en) 1995-11-29 1995-11-29 Thermo-chemical process for dewaxing large pipelines
US08/742,126 US5824160A (en) 1995-11-22 1996-10-31 Method for the thermo-chemical dewaxing of large dimension lines
GB9622808A GB2307497B (en) 1995-11-22 1996-11-01 A method for the thermo-chemical dewaxing of large dimension lines
CA002189616A CA2189616C (en) 1995-11-22 1996-11-05 Method for the thermo-chemical dewaxing of large dimension lines
ARP960105109A AR004146A1 (en) 1995-11-22 1996-11-08 THERMAL-CHEMICAL PROCESS FOR DEPARAFINATION OF LARGE DIMENSIONS
OA60925A OA10859A (en) 1995-11-22 1996-11-20 A method for the thermo-chemical dewaxing of largedimension lines
CN96110977.7A CN1128861C (en) 1995-11-22 1996-11-21 Method for thermo-chemical dewaxing of large dimension lines
NO19964951A NO317347B1 (en) 1995-11-22 1996-11-21 Method for thermochemical dewaxing of large dimension lines
MX9605725A MX9605725A (en) 1995-11-22 1996-11-21 Thermochemical process for big dimension ducts deparaffination.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9505556A BR9505556A (en) 1995-11-29 1995-11-29 Thermo-chemical process for dewaxing large pipelines

Publications (1)

Publication Number Publication Date
BR9505556A true BR9505556A (en) 1997-11-04

Family

ID=4063021

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9505556A BR9505556A (en) 1995-11-22 1995-11-29 Thermo-chemical process for dewaxing large pipelines

Country Status (1)

Country Link
BR (1) BR9505556A (en)

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: granting
B16A Patent or certificate of addition of invention granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 29/11/2015