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BR7019245D0 - Processo para reforcar a durabilidade do asfalto - Google Patents

Processo para reforcar a durabilidade do asfalto

Info

Publication number
BR7019245D0
BR7019245D0 BR219245/70A BR21924570A BR7019245D0 BR 7019245 D0 BR7019245 D0 BR 7019245D0 BR 219245/70 A BR219245/70 A BR 219245/70A BR 21924570 A BR21924570 A BR 21924570A BR 7019245 D0 BR7019245 D0 BR 7019245D0
Authority
BR
Brazil
Prior art keywords
asphalt
strengthen
durability
Prior art date
Application number
BR219245/70A
Other languages
English (en)
Inventor
W Stewart
R Schmidt
Original Assignee
Chevron Res
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 Chevron Res filed Critical Chevron Res
Publication of BR7019245D0 publication Critical patent/BR7019245D0/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00—Working-up pitch, asphalt, bitumen
    • C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
    • C10C3/026—Working-up pitch, asphalt, bitumen by chemical means reaction with organic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
    • C08G18/6476—Bituminous materials, e.g. asphalt, coal tar, pitch; derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR219245/70A 1969-05-22 1970-05-22 Processo para reforcar a durabilidade do asfalto BR7019245D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US827066A US3920467A (en) 1969-05-22 1969-05-22 Chemical modification of asphalt to improve durability

Publications (1)

Publication Number Publication Date
BR7019245D0 true BR7019245D0 (pt) 1973-02-06

Family

ID=25248234

Family Applications (1)

Application Number Title Priority Date Filing Date
BR219245/70A BR7019245D0 (pt) 1969-05-22 1970-05-22 Processo para reforcar a durabilidade do asfalto

Country Status (6)

Country Link
US (1) US3920467A (pt)
BE (1) BE750598A (pt)
BR (1) BR7019245D0 (pt)
ES (1) ES379891A1 (pt)
FR (1) FR2043605A1 (pt)
NL (1) NL142446B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116811A (en) * 1977-02-04 1978-09-26 Schaefer Hans Georg Method of separating active hydrogen compounds from heterogeneous mixtures also containing compounds which do not contain active hydrogens
US4255527A (en) * 1979-07-19 1981-03-10 George F. Thagard, Jr. Novel blowing agent for polymeric foam process
US5246987A (en) * 1992-05-14 1993-09-21 Shell Oil Company Bitumen and halogenated vinyl aromatic-conjugated diolefin block copolymer compositions
US5580376A (en) * 1995-04-26 1996-12-03 Ashland Inc. Asphalt improvement
US5904760A (en) * 1996-08-23 1999-05-18 Marathon Ashland Petroleum Llc Rerefined oil or hydrofinished neutral oil for blending superpave asphalts with low temperature properties

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247375A (en) * 1937-12-16 1941-07-01 Atlantic Refining Co Treatment of bituminous materials
NL227899A (pt) * 1957-05-21
US3105771A (en) * 1958-04-28 1963-10-01 Shell Oil Co Surfacing compositions comprising a mixture of a polyepoxide, a polyamide, and a petroleum derived bituminous material
US2970099A (en) * 1958-06-26 1961-01-31 Shell Oil Co Alkylated asphalt composition containing lubricating oil and alkylated asphaltenes
US3092594A (en) * 1960-04-29 1963-06-04 Mobay Chemical Corp Polyurethane resin obtained from coal tar pitch reaction products and process for preparing same
BE612095A (pt) * 1960-12-30 1900-01-01
US3514316A (en) * 1967-01-23 1970-05-26 Koppers Co Inc Method of coating metal with coal tar pitch and article produced thereby

Also Published As

Publication number Publication date
DE2024683B2 (de) 1975-11-20
US3920467A (en) 1975-11-18
BE750598A (fr) 1970-11-03
FR2043605A1 (pt) 1971-02-19
DE2024683A1 (de) 1970-11-26
NL142446B (nl) 1974-06-17
NL7007459A (pt) 1970-11-24
ES379891A1 (es) 1972-09-01

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