Water repellent composition for cellulose containing materials and method for producing same
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United States of America Patent
Stats
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Jan 14, 1997
Grant Date -
N/A
app pub date -
Mar 27, 1995
filing date -
Mar 27, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A water based water repellent composition for rendering cellulose containing materials water repellent which contains, in addition to water, from about 2.5 to about 20 percent by volume of a water repellent compound compatible with the cellulose containing materials and from about 0.1 to about 1 percent by volume of a surfactant compatible with the water repellent compound and capable of enhancing the wetting properties of the water repellent compound. The water repellent compound is a fluoropolymer, an amino-functional siloxane, a self cross-linking silicone and mixtures thereof wherein the amino-functional siloxane is represented by the general formula ##STR1## wherein Si is silicon; O is oxygen; n is a positive integer; and A is H, R or X. In the above identified formula H is hydrogen; R is an alkyl group containing from about 1 to about 30 carbon atoms, an alkenyl group, an aryl group, a cycloalkyl group, a cycloalkenyl group, an arylalkyl group, an arylalkenyl group, or any substituted group thereof wherein the cyclo substituent contains from about 4 to about 8 carbon atoms, the alkyl substituent contains up to about 8 carbon atoms and the alkenyl substituent contains up to about 8 carbon atoms; and X is a halogen, hydroxyl group, OR group wherein O is oxygen, a carboxylic group, or RNR or RNH wherein N is nitrogen with the proviso that at least one A is X, and at least one A is R.
First Claim
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Patent Owner(s)
| Patent Owner | Address | |
|---|---|---|
| ADVANCED CHEMICAL TECHNOLOGIES | 2601 NW EXPRESSWAY SUITE 300 EAST OKLAHOMA CITY OK 73112 |
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Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Brunken, Dean E | Edmond, OK | 7 | 89 |
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| Fee | Large entity fee | small entity fee | micro entity fee | due date |
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| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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