US2856330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating cotton fabrics
Assignee: Individual
•
Filing: 1954-11-08
•
Granted: 1958-10-14
•
Expires: 1974-11-08
Abstract
No abstract record available.
Inventors
- 👤 Harold N Vagenius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/18; A01; A01N; A01N59/00; A01N59/16; A01N59/20; A61L15/20; D; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/13; D06M11/51; D06M11/55; D06M11/56; D06M11/58; D06M11/64; D06M11/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF TREATING COTTON FABRICS WHICH COMPRISES IMMERSING SAID FABRICS IN A DILUTE ACIDIC AQUEOUS SOLUTION OF A WATER SOLUBLE COPPER SALT SELECTED FROM THE GROUP CONSISTING OF THE SULFATE, CHLORIDE, NITRATE AND ACETATE, SAID SOLUTION CONTAINING, FOR EACH 60 GRAMS OF FABRIC, FROM ABOUT 100 TO ABOUT 1000 CC. OF WATER, FROM ABOUT 0.05 TO ABOUT 1 MILLIGRAM MOLECULES OF A SOLUBLE COPPER SALT, AND FROM ABOUT 2 TO ABOUT 10 MILLIGRAM MOLECULES OF A DI-ALKALI METAL DIHYDROGEN PROPHOSPHATE FOR EACH MILLIGRAM MOLECULE OF SAID COPPER SALT SOLUTION BEING MAINTAINED AT A PH OF FROM ABOUT 3 TO ABOUT 6.
Claim 2
Independent Claim
102 words
A METHOD OF TREATING COTTON FABRICS WHICH COMPRISES IMMERSING SAID FABRICS IN A DILUTE ACIDIC AQUEOUS SOLUTION OF A WATER SOLUBLE COPPER SALT SELECTED FROM THE GROUP CONSISTING OF THE SULFATE, CHLORIDE, NITRATE AND ACETATE, SAID SOLUTION CONTAINING, FOR EACH 60 GRAMS OF FABRIC, FROM ABOUT 100 TO ABOUT 1000 CC. OF WATER, FROM ABOUT 0.05 TO ABOUT 1 MILLIGRAM MOLECULES OF A SOLUBLE COPPER SALT, AND FROM ABOUT 2 TO ABOUT 10 MILLIGRAM MOLECULES OF A DI-ALKALI METAL DIHYDROGEN PROPHOSPHATE FOR EACH MILLIGRAM MOLECULE OF SAID COPPER SALT SOLUTION BEING MAINTAINED AT A PH OF FROM ABOUT 3 TO ABOUT 6.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |