CA985302A - Purification of beta-naphthol by extractive crystallization - Google Patents

Purification of beta-naphthol by extractive crystallization

Info

Publication number
CA985302A
CA985302A CA184,907A CA184907A CA985302A CA 985302 A CA985302 A CA 985302A CA 184907 A CA184907 A CA 184907A CA 985302 A CA985302 A CA 985302A
Authority
CA
Canada
Prior art keywords
naphthol
beta
purification
extractive crystallization
extractive
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
CA184,907A
Other languages
English (en)
Other versions
CA184907S (en
Inventor
John P. Dundon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of CA985302A publication Critical patent/CA985302A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
CA184,907A 1972-12-21 1973-11-02 Purification of beta-naphthol by extractive crystallization Expired CA985302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00317463A US3848001A (en) 1972-12-21 1972-12-21 Purification of beta-naphthol by extractive crystallization

Publications (1)

Publication Number Publication Date
CA985302A true CA985302A (en) 1976-03-09

Family

ID=23233772

Family Applications (1)

Application Number Title Priority Date Filing Date
CA184,907A Expired CA985302A (en) 1972-12-21 1973-11-02 Purification of beta-naphthol by extractive crystallization

Country Status (8)

Country Link
US (1) US3848001A (fr)
JP (1) JPS4988846A (fr)
CA (1) CA985302A (fr)
DE (1) DE2362952A1 (fr)
FR (1) FR2211435B1 (fr)
GB (1) GB1393336A (fr)
IT (1) IT1000156B (fr)
NL (1) NL7315680A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7534254B1 (en) 1988-06-13 2009-05-19 Warsaw Orthopedic, Inc. Threaded frusto-conical interbody spinal fusion implants

Also Published As

Publication number Publication date
NL7315680A (fr) 1974-06-25
GB1393336A (en) 1975-05-07
IT1000156B (it) 1976-03-30
AU6230373A (en) 1975-05-08
FR2211435A1 (fr) 1974-07-19
US3848001A (en) 1974-11-12
FR2211435B1 (fr) 1978-11-10
DE2362952A1 (de) 1974-06-27
JPS4988846A (fr) 1974-08-24

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