Patent US3383162A successfully refreshed from Google Patents.
US3383162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile materials
Assignee: United States Department of Agriculture
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Filing: 1967-05-12
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Granted: 1968-05-14
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Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Whitfield
- 👤 Allen G Pittman
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:03
CPC Classifications
D; D06; D06M; D06M23/00; D06M13/00; D06M13/10; D06M13/184; D06M13/192; D06M13/322; D06M13/325; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/263; D06M15/267; D06M15/273; D06M15/285; D06M15/37; D06M15/39; D06M15/507; D06M15/53; D06M15/564; D06M15/59; D06M15/61; D06M15/643; D06M15/6436; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T442/00; Y10T442/20; Y10T442/2033; Y10T442/2279; Y10T442/2352; Y10T442/2369; Y10T442/2385; Y10T442/2393; Y10T442/2549; Y10T442/259; Y10T442/2762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
FIBROUS MATERIAL CARRYING A DEPOSIT OF A POLYMER CROSS-LINKED THROUGH REACTION WITH A FIXATIVE, THE POLYMER BEING A POLYSILOXANE CONTAINING REACTIVE GROUPS SELECTED FROM THE CLASS CONSISTING OF HYDROXY, AMINE, CAARBONYL HALIDE, CHLOROFORMATE AND ISOCYANATE GROUPS, THE FIXATIVE BEING A MULIFUNCTIONAL COMPOUND CONTAINING REACTIVE GROUPS COMPLEMENTARY TO THOSE OF THE POLYMER AND SELECTED FROM THE CLASS CONSISTING OF CARBONYL HALIDE, SULPHONYL HALIDE, HALOFORMATE, CARBAMYL HALIDE, ANHYDRIDE, IMIDE, AMINE, IMINE, HYDROXY, AND ISOCYANATE, SAID PRODUCT BEING PRODUCED BY SERIALLY IMPREGNATING A FIBROUS MATERIAL WITH TWO SOLUTIONS, ONE SOLUTION CONTAINING IN A FIRST SOLVENT THE SAID POLYMER, THE OTHER SOLUTION CONTAINING IN A SECOND SOLVENT THE SAID FIXATIVE, THE FIRST AND SECOND SOLVENTS BEING SUBSTANTIALLY MUTUALLY IMMISCIBLE, THE POLYMER DIRECTLY CROSSLINKING WITH THE FIXATIVE UNDER SAID CONDITIONS TO FORM A THREE-DIMENSIONAL POLYMER ON THE FIBROUS MATERIAL.
Claim 2
Dependent Claim
134 words
FIBROUS MATERIAL CARRYING A DEPOSIT OF A POLYMER CROSS-LINKED THROUGH REACTION WITH A FIXATIVE, THE POLYMER BEING A POLYSILOXANE CONTAINING REACTIVE GROUPS SELECTED FROM THE CLASS CONSISTING OF HYDROXY, AMINE, CAARBONYL HALIDE, CHLOROFORMATE AND ISOCYANATE GROUPS, THE FIXATIVE BEING A MULIFUNCTIONAL COMPOUND CONTAINING REACTIVE GROUPS COMPLEMENTARY TO THOSE OF THE POLYMER AND SELECTED FROM THE CLASS CONSISTING OF CARBONYL HALIDE, SULPHONYL HALIDE, HALOFORMATE, CARBAMYL HALIDE, ANHYDRIDE, IMIDE, AMINE, IMINE, HYDROXY, AND ISOCYANATE, SAID PRODUCT BEING PRODUCED BY SERIALLY IMPREGNATING A FIBROUS MATERIAL WITH TWO SOLUTIONS, ONE SOLUTION CONTAINING IN A FIRST SOLVENT THE SAID POLYMER, THE OTHER SOLUTION CONTAINING IN A SECOND SOLVENT THE SAID FIXATIVE, THE FIRST AND SECOND SOLVENTS BEING SUBSTANTIALLY MUTUALLY IMMISCIBLE, THE POLYMER DIRECTLY CROSSLINKING WITH THE FIXATIVE UNDER SAID CONDITIONS TO FORM A THREE-DIMENSIONAL POLYMER ON THE FIBROUS MATERIAL.
References Cited (Backward Citations)
US2678287A
Cited
US3078138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |