US2928799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising an organopolysiloxane, a titanate and a wax and process for rendering textiles water repellent therewith
Assignee: General Electric Co
•
Filing: 1957-05-13
•
Granted: 1960-03-15
•
Expires: 1977-05-13
Abstract
No abstract record available.
Inventors
- 👤 Donald V Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:24
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M11/00; D06M11/32; D06M11/36; D06M11/46; D06M13/00; D06M13/50; D06M13/503
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF BY WEIGHT, (1) FROM 10 TO 60 PERCENT TETRABUTYL TITANTE, (2) FROM 25 TO 75 PERCENT OF A METHYLPOLYSILOXANE COPOLYMER COMPOSED ESSENTIALLY OF TRIMETHYLSILOXY UNITS AND SIO2 UNITS WHEREIN SAID UNITS ARE IN SUCH PROPORTION THAT THE RATIO OF METHLY GROUPS TO SILICON ATOMS RANGES FROM ABOUT 1 TO 1.38 METHYL GROUPS PER SILICON ATOM, (3) FROM 10 TO 50 PERCENT OF A FLUID ORGANOPOLYSILOXANE IN WHICH THE ORGANIC GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF METHYL AND PHENLY GROUPS AND ARE ATTACHED TO SILICON BY CARBON-SILICON LINKAGES, THERE BEING PRESENT FROM 1.96 TO 2.25 ORGANIC GROUPS SILICON ATOM, THE SAID FLUID ORGANOPOLYSILOXANE HAVING A VISCOSITY OF FROM 5 TO 1,000,000 CENTISTOKES WHEN MEASURED AT 25*C., (4) A PARAFFIN WAX, (5) A VOLATILE FLUOROALKANE CARRIER, AND (6) A VOLATILE ALIPHATIC HYDROCARBON SOLVENT.
Claim 2
Dependent Claim
140 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF BY WEIGHT, (1) FROM 10 TO 60 PERCENT TETRABUTYL TITANTE, (2) FROM 25 TO 75 PERCENT OF A METHYLPOLYSILOXANE COPOLYMER COMPOSED ESSENTIALLY OF TRIMETHYLSILOXY UNITS AND SIO2 UNITS WHEREIN SAID UNITS ARE IN SUCH PROPORTION THAT THE RATIO OF METHLY GROUPS TO SILICON ATOMS RANGES FROM ABOUT 1 TO 1.38 METHYL GROUPS PER SILICON ATOM, (3) FROM 10 TO 50 PERCENT OF A FLUID ORGANOPOLYSILOXANE IN WHICH THE ORGANIC GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF METHYL AND PHENLY GROUPS AND ARE ATTACHED TO SILICON BY CARBON-SILICON LINKAGES, THERE BEING PRESENT FROM 1.96 TO 2.25 ORGANIC GROUPS SILICON ATOM, THE SAID FLUID ORGANOPOLYSILOXANE HAVING A VISCOSITY OF FROM 5 TO 1,000,000 CENTISTOKES WHEN MEASURED AT 25*C., (4) A PARAFFIN WAX, (5) A VOLATILE FLUOROALKANE CARRIER, AND (6) A VOLATILE ALIPHATIC HYDROCARBON SOLVENT.
References Cited (Backward Citations)
USRE23879E
Cited
US2807554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |