IL49990A - Purification of naphthalene - Google Patents

Purification of naphthalene

Info

Publication number: IL49990A
Authority: IL; Israel
Prior art keywords: naphthalene; purification
Prior art date: 1975-08-07

Application number

IL49990A

Other languages

English (en)

Other versions

IL49990A0 (en

Original Assignee

Ruetgerswerke Ag

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.)

1975-08-07

Filing date

1976-07-07

Publication date

1978-12-17

1975-08-07 Priority claimed from DE19752535192 external-priority patent/DE2535192C3/de

1976-07-07 Application filed by Ruetgerswerke Ag filed Critical Ruetgerswerke Ag

1976-09-30 Publication of IL49990A0 publication Critical patent/IL49990A0/xx

1978-12-17 Publication of IL49990A publication Critical patent/IL49990A/xx

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C07C7/14875—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C07C7/14808—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with non-metals as element
- C07C7/14816—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with non-metals as element oxygen; ozone
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
- C07C7/171—Sulfuric acid or oleum

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Water Supply & Treatment (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Emergency Medicine (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

IL49990A 1975-08-07 1976-07-07 Purification of naphthalene IL49990A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752535192 DE2535192C3 (de)		1975-08-07	Verfahren zur Gewinnung von schwefelfreiem Reinnaphthalin und von Thionaphthen aus Steinkohlenteer

Publications (2)

Publication Number	Publication Date
IL49990A0 IL49990A0 (en)	1976-09-30
IL49990A true IL49990A (en)	1978-12-17

Family

ID=5953399

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL49990A IL49990A (en)	1975-08-07	1976-07-07	Purification of naphthalene

Country Status (11)

Country	Link
US (1)	US4098838A (xx)
BE (1)	BE844883A (xx)
CS (1)	CS185595B2 (xx)
ES (1)	ES447281A1 (xx)
FR (1)	FR2320277A1 (xx)
GB (1)	GB1519913A (xx)
IL (1)	IL49990A (xx)
IT (1)	IT1061237B (xx)
NL (1)	NL186509B (xx)
PL (1)	PL98953B1 (xx)
SU (1)	SU619095A3 (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2744066A1 (de) *	1977-09-30	1979-04-12	Ruetgerswerke Ag	Verfahren zur herstellung von thionaphthen aus thionaphthensulfonsaeure
US6664433B1 (en) *	1999-04-28	2003-12-16	Nippon Steel Chemical Co., Ltd.	Process for the purification of aromatic hydrocarbons and process for the preparation of high-purity aromatic hydrocarbons
EP2210907B1 (en) *	2007-11-16	2017-03-08	Mitsubishi Gas Chemical Company, Inc.	Polyfunctional dimethylnaphthalene formaldehyde resin, and process for production thereof
US9162952B2 (en)	2013-11-19	2015-10-20	Uop Llc	Process for purifying products from coal tar
US9534176B2 (en)	2014-12-12	2017-01-03	Quantex Research Corporation	Process for depolymerizing coal to co-produce pitch and naphthalene
CN108558591B (zh) *	2018-05-31	2021-05-11	山西豪仑科化工有限公司	一种萘残油分离回收方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1819680A (en) *	1921-03-29	1931-08-18	Barrett Co	Purification of solid aromatic hydrocarbons
US1438710A (en) *	1921-09-19	1922-12-12	Barrett Co	Purification of naphthalene
US1996262A (en) *	1931-12-17	1935-04-02	Sherwin Williams Co	Purification of naphthalene
GB692098A (en) *	1950-03-31	1953-05-27	North Thames Gas Board	Improvements in or relating to the purification of naphthalene
US2920121A (en) *	1957-12-13	1960-01-05	William E Sisco	Process for recovery of naphthalene from sulfonic acid solutions
DE1261843B (de) *	1957-12-17	1968-02-29	Still Fa Carl	Verfahren zur Gewinnung von Naphthalin mit dem Erstarrungspunkt von 78 bis 79 und darueber aus Steinkohlenteer
US2955144A (en) *	1958-06-18	1960-10-04	American Cyanamid Co	Process for refining naphthalene
US3511889A (en) *	1967-10-10	1970-05-12	Nikolai Nikolaevich Vorozhtsov	Method of purifying naphthalene

1976
- 1976-04-23 ES ES447281A patent/ES447281A1/es not_active Expired
- 1976-05-04 IT IT49315/76A patent/IT1061237B/it active
- 1976-05-13 CS CS7600003209A patent/CS185595B2/cs unknown
- 1976-06-17 NL NLAANVRAGE7606550,A patent/NL186509B/xx not_active Application Discontinuation
- 1976-07-07 IL IL49990A patent/IL49990A/xx unknown
- 1976-07-23 GB GB30783/76A patent/GB1519913A/en not_active Expired
- 1976-07-28 SU SU762386902A patent/SU619095A3/ru active
- 1976-08-04 US US05/711,678 patent/US4098838A/en not_active Expired - Lifetime
- 1976-08-04 BE BE169560A patent/BE844883A/xx not_active IP Right Cessation
- 1976-08-05 FR FR7623957A patent/FR2320277A1/fr active Granted
- 1976-08-06 PL PL1976191681A patent/PL98953B1/pl unknown

Also Published As

Publication number	Publication date
GB1519913A (en)	1978-08-02
PL98953B1 (xx)	1978-06-30
CS185595B2 (en)	1978-10-31
FR2320277B1 (xx)	1980-12-19
BE844883A (fr)	1976-12-01
DE2535192A1 (de)	1977-03-10
DE2535192B2 (de)	1977-06-30
US4098838A (en)	1978-07-04
IL49990A0 (en)	1976-09-30
IT1061237B (it)	1983-02-28
NL7606550A (nl)	1977-02-09
NL186509B (nl)	1990-07-16
ES447281A1 (es)	1977-07-01
SU619095A3 (ru)	1978-08-05
FR2320277A1 (fr)	1977-03-04

Publication	Publication Date	Title
GB1551356A (en)	1979-08-30	Purification of gas
AU2076476A (en)	1978-06-29	Aracterizat-ion of bodies
JPS5227083A (en)	1977-03-01	Manufacture of titaniummcontaining catalysts
JPS5320487A (en)	1978-02-24	Purification of bacterial lipoproteinlypase
JPS51123795A (en)	1976-10-28	Manufacture of catalysts
JPS5226392A (en)	1977-02-26	Manufacture of carried catalysts
JPS51112494A (en)	1976-10-04	Manufacture of catalysts
GB1524449A (en)	1978-09-13	Oxyhydrochlorination of ethylene
JPS5224181A (en)	1977-02-23	Manufacture of catalysts
JPS5279498A (en)	1977-07-04	Improvement of ship
GR60043B (en)	1978-04-01	Fluorodehydrozylation of alkohols
IL49990A0 (en)	1976-09-30	Purification of naphthalene
JPS5262289A (en)	1977-05-23	Purification of caprolactam
JPS51112919A (en)	1976-10-05	Manufacture of gammaamodified polyamidee66filament
IE42633L (en)	1976-08-10	Purification of cephamycin c
GB1539733A (en)	1979-01-31	Preparation of 3-phenoxybenzaldehydes
ZA763879B (en)	1977-05-25	Purification of liquids
JPS5247886A (en)	1977-04-16	Purification of detergent solution
ZA765733B (en)	1977-09-28	Treatment of effluent
IL48920A0 (en)	1976-03-31	Preparation of epsilon-(ypsilon-glutamyl)-lysine
GB1551357A (en)	1979-08-30	Purification of gas
GB1544683A (en)	1979-04-25	Manufacture of 5-cyanopyrid-6-ones
IL50150A (en)	1979-11-30	Preparation of 3-methoxymethyl-cephalosporins
GB1547865A (en)	1979-06-27	Purification of chloronitriles contaminated with bromonitriles
JPS5257198A (en)	1977-05-11	Purification of stevacide solusion