FR789948A - Process for increasing the viscosity of tars - Google Patents

Process for increasing the viscosity of tars

Info

Publication number
FR789948A
FR789948A FR789948DA FR789948A FR 789948 A FR789948 A FR 789948A FR 789948D A FR789948D A FR 789948DA FR 789948 A FR789948 A FR 789948A
Authority
FR
France
Prior art keywords
tars
viscosity
increasing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Carl Alexander Agthe
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
Application granted granted Critical
Publication of FR789948A publication Critical patent/FR789948A/en
Expired legal-status Critical Current

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
FR789948D 1934-05-16 1935-05-13 Process for increasing the viscosity of tars Expired FR789948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG88108D DE641393C (en) 1934-05-16 1934-05-16 Process to increase the viscosity of tars

Publications (1)

Publication Number Publication Date
FR789948A true FR789948A (en) 1935-11-08

Family

ID=7138740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR789948D Expired FR789948A (en) 1934-05-16 1935-05-13 Process for increasing the viscosity of tars

Country Status (3)

Country Link
DE (1) DE641393C (en)
FR (1) FR789948A (en)
GB (1) GB438413A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748830C (en) * 1940-11-08 1944-11-10 Process for the production of bitumen with a higher or lower penetration index from asphaltic bitumen with a lower or higher penetration index

Also Published As

Publication number Publication date
GB438413A (en) 1935-11-15
DE641393C (en) 1937-02-05

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