C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/139, 96/172
C08G 18/32 (2006.01) C08G 18/28 (2006.01) C08G 18/34 (2006.01) G03F 7/039 (2006.01)
Patent
CA 2023661
- 28 - O.Z. 0050/41047 Astract of the Disclosure: Novel ureido- and carboxyl- containing reaction products which are suitable for preparing radiation-sensitive compositions, in particular compositions whose solubility in water or aqueous alkali increases on irradiation, are obtained by reacting i) a di- or polyisocyanate with ii) at least one amino compound and iii) at least one anhydride of an at least dibasic carboxylic acid, with or without iv) z compound which is dif:ferent from compound ii) and has hydroxyl or amino groups, the total number of NCO and anhydride groups in i) and iii) being equal to or less than the number of groups in ii) and iv) which are reactive therewith.
Beck Erich
Bueschges Eleonore
Roser Joachim
Schulz Guenther
Seitz Friedrich
Basf Aktiengesellschaft
Beck Erich
Bueschges Eleonore
Robic
Roser Joachim
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