CS182631B1 - Method for production of liquid novolak phenolic resins for foundry industry - Google Patents

Method for production of liquid novolak phenolic resins for foundry industry

Info

Publication number
CS182631B1
CS182631B1 CS245676A CS245676A CS182631B1 CS 182631 B1 CS182631 B1 CS 182631B1 CS 245676 A CS245676 A CS 245676A CS 245676 A CS245676 A CS 245676A CS 182631 B1 CS182631 B1 CS 182631B1
Authority
CS
Czechoslovakia
Prior art keywords
production
phenolic resins
foundry industry
novolak phenolic
liquid novolak
Prior art date
Application number
CS245676A
Other languages
English (en)
Inventor
Jan Ciernik
Original Assignee
Jan Ciernik
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 Jan Ciernik filed Critical Jan Ciernik
Priority to CS245676A priority Critical patent/CS182631B1/cs
Publication of CS182631B1 publication Critical patent/CS182631B1/cs

Links

CS245676A 1976-04-14 1976-04-14 Method for production of liquid novolak phenolic resins for foundry industry CS182631B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS245676A CS182631B1 (en) 1976-04-14 1976-04-14 Method for production of liquid novolak phenolic resins for foundry industry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS245676A CS182631B1 (en) 1976-04-14 1976-04-14 Method for production of liquid novolak phenolic resins for foundry industry

Publications (1)

Publication Number Publication Date
CS182631B1 true CS182631B1 (en) 1978-04-28

Family

ID=5361758

Family Applications (1)

Application Number Title Priority Date Filing Date
CS245676A CS182631B1 (en) 1976-04-14 1976-04-14 Method for production of liquid novolak phenolic resins for foundry industry

Country Status (1)

Country Link
CS (1) CS182631B1 (cs)

Similar Documents

Publication Publication Date Title
JPS5390252A (en) Method for production of 4 *4**isopropylideneebiss *2 * 66dibrom*phenol
YU154879A (en) Process for obtaining new phenethanolamines
ZA816880B (en) Method for the production of a powdered phenolic resole resin
ZA777551B (en) Process for the production of crude iron for foundry casting
JPS51130631A (en) Metal mould casting method
CS182631B1 (en) Method for production of liquid novolak phenolic resins for foundry industry
JPS5290597A (en) Process for preparing novolac type epoxy resin
JPS5219755A (en) Epoxy novolak resin production method
DE2861314D1 (en) Process for producing modified phenolic resins
GB1546044A (en) Process for treating zircon-containing foundry sand
JPS5383927A (en) Method of regenerating used foundry sand
IL49492A0 (en) Process for the production of phenol resins
GB1521558A (en) Process for the production of o-derivatives of rho-isopropenyl phenol
GB2018649B (en) Machine for the production of foundry cores or moulds
JPS5247518A (en) Sand mold forming method for casting
JPS528922A (en) Method of regenerating old casting sand
JPS51114324A (en) Precision casting process for metal mold
GB2004557B (en) Process for producing phenolic resins
GB2039239B (en) Apparatus for manufacturing foundry cores
JPS5222028A (en) Reuse method of waste sand of mold
CS193035B2 (en) Method for the continuous production of indene resins
ZA845546B (en) Process for the production of a phenolic resol resin
JPS5293625A (en) Apparatus of mould for forging of liquid metal
JPS5322590A (en) Method of making solid resol type phenol resin
JPS523525A (en) Method of regenerating casting sand