C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/10 (2006.01) C08G 65/04 (2006.01) C08G 69/26 (2006.01) C08G 69/28 (2006.01) C08L 77/00 (2006.01) C08L 77/06 (2006.01)
Patent
CA 2537782
A UV-protective water-soluble polyaminoamide comprising UV-absorbing end groups, wherein the polyaminoamide absorbs ultraviolet light radiation having a wavelength of about 200 nm to about 420 nm, compositions comprising the UV- protective polyaminoamide and methods of treating substrates with the UV- protective polyaminoamide.
L'invention concerne un polyaminoamide soluble dans l'eau protégeant des rayons ultraviolets et contenant des groupes d'extrémité d'absorption de rayons ultraviolets. Ledit polyaminoamide permet d'absorber le rayonnement ultraviolet possédant une longueur d'onde comprise entre environ 200 nm et environ 420 nm. Ladite invention a aussi trait à des compositions renfermant le polyaminoamide protégeant des rayons ultraviolets et à des procédés de traitement de substrats avec ledit polyaminoamide.
Carlson Wayne
Hessefort Yin
Wei Mingli
Bcf Llp
Nalco Company
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