ES113052A3 -
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
- Google Patents
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
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.)
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POLLOPAS Ltd
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POLLOPAS Ltd
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Priority to ES113052ApriorityCriticalpatent/ES113052A3/en
Publication of ES113052A3publicationCriticalpatent/ES113052A3/en
ES113052A1929-05-201929-05-20
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
ExpiredES113052A3
(en)
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
A process for the preparation of artificial materials, starting from condensation solutions of urea, thio-urea or their derivatives with aldehydes and formaldehyde in particular.
Process for the production of synthetic materials from the condensation solutions of urea, thiourea or their derivatives with aldehydes, in particular formaldehyde.
Process for the manufacture of water-soluble condensation products, consisting of reversible gelatins composed of urea or thiourea or their respective derivatives or mixtures and of formaldehyde in solid form and their solutions.