NL177372B - SPECIAL SUBSCRIBER LINE WITH A FOUR WIRE SECTION. - Google Patents

SPECIAL SUBSCRIBER LINE WITH A FOUR WIRE SECTION.

Info

Publication number
NL177372B
NL177372B NLAANVRAGE7809547,C NL177372DC NL177372B NL 177372 B NL177372 B NL 177372B NL 177372D C NL177372D C NL 177372DC NL 177372 B NL177372 B NL 177372B
Authority
NL
Netherlands
Prior art keywords
subscriber line
wire section
special subscriber
special
wire
Prior art date
Application number
NLAANVRAGE7809547,C
Other languages
Dutch (nl)
Inventor
Wilhelmus Antonius Van Leeuwen
Original Assignee
Nederlanden Staat
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.)
Publication of NL177372B publication Critical patent/NL177372B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/10—Lubricating oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Catalysts (AREA)
NLAANVRAGE7809547,C 1952-05-13 SPECIAL SUBSCRIBER LINE WITH A FOUR WIRE SECTION. NL177372B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US287523A US2756183A (en) 1952-05-13 1952-05-13 Hydrotreating lubricating oil to improve color and neutralization number using a platinum catalyst on alumina

Publications (1)

Publication Number Publication Date
NL177372B true NL177372B (en)

Family

ID=23103281

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7809547,C NL177372B (en) 1952-05-13 SPECIAL SUBSCRIBER LINE WITH A FOUR WIRE SECTION.
NL94402D NL94402C (en) 1952-05-13

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL94402D NL94402C (en) 1952-05-13

Country Status (5)

Country Link
US (1) US2756183A (en)
DE (1) DE961479C (en)
FR (1) FR1079926A (en)
GB (1) GB737020A (en)
NL (2) NL94402C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900332A (en) * 1955-04-06 1959-08-18 British Petroleum Co Hydrocatalytic desulfurization of gas oil
DE1134468B (en) * 1956-05-28 1962-08-09 British Petroleum Co Process to improve the color and oxidation stability of lubricating oils
US2944014A (en) * 1956-12-10 1960-07-05 Sun Oil Co Obtaining neutral distillates from petroleum
US2967816A (en) * 1957-07-23 1961-01-10 Sinclair Refining Co Process for decolorizing petroleum resins and products obtained by adding the decolorized resins to fuel oil
DE1174007B (en) * 1959-05-16 1964-07-16 Universal Oil Prod Co Process for the production of lubricating oil
US3658692A (en) * 1969-10-28 1972-04-25 Exxon Research Engineering Co Preparation of white oils with aluminum-alkyl activated iron group metal catalysts
US3979279A (en) * 1974-06-17 1976-09-07 Mobil Oil Corporation Treatment of lube stock for improvement of oxidative stability
US5158671A (en) * 1987-12-18 1992-10-27 Exxon Research And Engineering Company Method for stabilizing hydroisomerates
US6296757B1 (en) 1995-10-17 2001-10-02 Exxon Research And Engineering Company Synthetic diesel fuel and process for its production
US5689031A (en) 1995-10-17 1997-11-18 Exxon Research & Engineering Company Synthetic diesel fuel and process for its production
US5766274A (en) 1997-02-07 1998-06-16 Exxon Research And Engineering Company Synthetic jet fuel and process for its production

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR376496A (en) * 1906-06-14 1907-08-10 Albin Haller Process for the purification and deodorization of petroleum oils, gasolines, ethers, benzine, shale oils, resins and similar products
US2542471A (en) * 1946-06-15 1951-02-20 Standard Oil Dev Co Removal of peroxides from cracked gasoline by catalytic hydrogenation
US2574331A (en) * 1947-10-29 1951-11-06 Standard Oil Dev Co Hydrogenation of unstable petroleum wax

Also Published As

Publication number Publication date
FR1079926A (en) 1954-12-03
NL94402C (en)
GB737020A (en) 1955-09-21
US2756183A (en) 1956-07-24
DE961479C (en) 1957-04-04

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