| Patent Number |
Title Of Patent |
Date Issued |
| 7115770 |
Use of tin derivatives as catalysts |
October 3, 2006 |
| The invention concerns the use as catalyst for transforming carbamates of compounds corresponding to the general formula (I): --Sn (X) (X') wherein: X' is selected among chloride, bromide, iodide, thiocyanate radicals, sulphonate radicals, advantageously perfluorinated on the carbon |
| 6998364 |
Process for the formation of urethane via transcarbamation |
February 14, 2006 |
| The invention concerns a novel catalyst for forming urethanes. Said catalyst is characterized by the general formula: MY.sub.3-q[Z].sub.q, wherein: Z is the radical corresponding to the anion of a super acid whereof the Hamett constant is at least equal to 13 and advantageously more |
| 6649557 |
Use of tin derivatives as latent polycondensation catalysts, and premix containing them |
November 18, 2003 |
| Tin derivatives for use as oxygen-activated latent polycondensation catalysts. According to the invention, said tin derivatives have at least one tin-tin bond of the formula (I): R.sub.1 --Y.sub.n --R.sub.4 wherein R.sub.1 and R.sub.4 which can be the same or different, are selected from |
| 6187711 |
Use of tin derivatives as latent polycondensation catalysts, and premix containing them |
February 13, 2001 |
| Tin derivatives for use as oxygen-activated latent polycondensation catalysts. Said tin derivatives having a formula R.sub.1 -Y.sub.n -R.sub.4, wherein R.sub.1 and R.sub.4 together form a divalent group or a single bond which insures the formation of a ring with n being 5, 6 or 7, th |
| 5084543 |
Tin (IV) compounds |
January 28, 1992 |
| Novel tetracoordinated tin (IV) compounds, well suited as latent catalysts for the preparation of polyurethanes or for the crosslinking of curable diorganopolysiloxanes (upon thermal decomposition thereof into diorganotin dicarboxylates or dialcoholates), have the general formula (1): |
| 5075468 |
Optionally chelated tin(IV) compounds useful as latent catalysts |
December 24, 1991 |
| Optionally chelated tetracoordinated or pentacoordinated tin(IV) compounds having the general formula: ##STR1## are useful latent catalysts in compositions for the preparation of polyurethanes, or for the crosslinking of organopolysiloxanes, by increasing the temperature of appro |
| 5051521 |
Novel tin (IV) compounds |
September 24, 1991 |
| Novel tetracoordinated tin (IV) compounds, well suited as latent catalysts for the preparation of polyurethanes or for the crosslinking of curable diorganopolysiloxanes (upon thermal decomposition thereof into diorganotin dicarboxylates or dialcoholates), have the general formula (1): |
| 4970115 |
Curable polyorganosiloxane compositions comprising latent tin catalysts |
November 13, 1990 |
| Storage-stable, curable polyorganosiloxane compositions, whether solvent-free, in solution in an organic solvent or in aqueous emulsion, contain (A) a polydiorganosiloxane having silanol endgroups, (B) a polydiorganohydrosilane, and (C) a catalytically effective amount of a latent ti |
