CA728162A - Purification of phthalic anhydride - Google Patents

Purification of phthalic anhydride

Info

Publication number
CA728162A
CA728162A CA728162A CA728162DA CA728162A CA 728162 A CA728162 A CA 728162A CA 728162 A CA728162 A CA 728162A CA 728162D A CA728162D A CA 728162DA CA 728162 A CA728162 A CA 728162A
Authority
CA
Canada
Prior art keywords
purification
phthalic anhydride
phthalic
anhydride
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
CA728162A
Inventor
W. Tomlinson Richard
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
Publication date
Application granted granted Critical
Publication of CA728162A publication Critical patent/CA728162A/en
Expired legal-status Critical Current

Links

CA728162A Purification of phthalic anhydride Expired CA728162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA728162T

Publications (1)

Publication Number Publication Date
CA728162A true CA728162A (en) 1966-02-15

Family

ID=36067077

Family Applications (1)

Application Number Title Priority Date Filing Date
CA728162A Expired CA728162A (en) Purification of phthalic anhydride

Country Status (1)

Country Link
CA (1) CA728162A (en)

Similar Documents

Publication Publication Date Title
CA728162A (en) Purification of phthalic anhydride
AU406268B2 (en) Purification of phthalic anhydride
AU410007B1 (en) Process of purification
AU1988067A (en) Purification of phthalic anhydride
CA785313A (en) Purification of phthalic anhydride
CA735934A (en) Purification of succinic anhydride
CA685218A (en) Purification of phthalic acids
CA685738A (en) Purification of phthalic acids
CA738460A (en) Purification of solid dicarboxylic acids
CA760442A (en) Production of pure phthalic anhydride from o-xylene
AU405575B2 (en) Phthalic anhydride color inhibition
CA731749A (en) Purification of polymers
CA754568A (en) Method of producing phthalic anhydride
CA689910A (en) Manufacture of acetic anhydride
AU431274B2 (en) Continuous preparation of phthalic acids
AU1601167A (en) Phthalic anhydride color inhibition
CA733162A (en) Purification of propylene
CA731248A (en) Polyester imides of trimellitic anhydride
AU408155B2 (en) Purification of polycarboxylic aromatic acids
CA735492A (en) Purification of organic acids
AU4354264A (en) Continuous preparation of phthalic acids
CA745159A (en) Purification of pyrrolidone-(2)
CA725226A (en) Purification of olefins
CA737046A (en) Purification of olefins
CA702840A (en) Manufacture of acetic anhydride