| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Open-celled porous cellular foam of predetermined thickness (I) prepn method - Depositing reaction prodt formed from reaction of reactant compn comprising urethane prepolymer & water onto a substrate in amount such that the thickness of reaction prodt if allowed to rise to its fullest extent without undergoing com pression, would be > than (I) - Allowing reaction prodt to begin rising to form rising foam - Passing rising foam through a compression zone wherein the foam is compressed to (I) - Removing foam from compression zone |
| PATENT PHOTOCOPY | Available on request |
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