ES328662A1 - Procedure for the manufacture of resins urea-formol-alcohol furfurilico. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture of resins urea-formol-alcohol furfurilico. (Machine-translation by Google Translate, not legally binding)
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.)
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.)
FABRICACION ESPANOLA DE RESINA
Original Assignee
FABRICACION ESPANOLA DE RESINA
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 FABRICACION ESPANOLA DE RESINAfiledCriticalFABRICACION ESPANOLA DE RESINA
Priority to ES328662ApriorityCriticalpatent/ES328662A1/en
Publication of ES328662A1publicationCriticalpatent/ES328662A1/en
Process for the manufacture of urea-formaldehyde-furfuryl alcohol resins, characterized in that it comprises reacting the formaldehyde, in aqueous solution or in the form of paraformaldehyde, with the furfuryl alcohol, at an acidic pH between 3 and 6, then turning , at the end of said reaction, the pH at 7-8 by means of diluted alkali, and finally, urea reacts with the reactive mass, and the excess water is then removed by evaporation. (Machine-translation by Google Translate, not legally binding)
ES328662A1966-07-041966-07-04Procedure for the manufacture of resins urea-formol-alcohol furfurilico. (Machine-translation by Google Translate, not legally binding)
ExpiredES328662A1
(en)
Procedure for the obtaining of 2-imino-5-fenil-4-oxazolidinone and pyridxin metalic chemicals. (Machine-translation by Google Translate, not legally binding)