| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 11.99 |
| PATENT ASSIGNEE | Air Products & Chemicals |
| PATENT CLAIMS |
In a method for applying water-based compn to a surface, the compn contg surfactant for reducing the dynamic surface tension of compn, the IMPROVEMENT which comprises using as the surfactant at 0.001-20 g/100 ml of WB compn., an N,N-dialkyl urea compd - RR'N-CO-NH2 where R,R' are 1-6C alkyl or cycloalkyl, the sum of C = 6-12, provided that when urea compd is N,N-dibutyl urea, the amount is 0.01-2 g/100 ml |
| PATENT PHOTOCOPY | Available on request |
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