US2705682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coloring cellulosic materials by hot embossing
Assignee: Wyeth Holdings LLC
•
Filing: 1951-05-11
•
Granted: 1955-04-05
•
Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Wille Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:48
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/66; D21H25/00; D21H25/005; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A METHOD OF OBTAINING DUAL COLOR EFFECTS ON CELLULOSIC MATERIALS BY HOT EMBOSSING WHICH COMPRISES APPLYING TO ONE SURFACE OF SAID CELLULOSIC MATERIAL AN EMULSION, THE INTERNAL PHASE OF SAID EMULSION BEING A WATER-INSOLUBLE WAX HAVING A MELTING POINT ABOVE 140* F. AND BELOW 270* F., THE EXTERNAL PHASE OF SAID EMULSION BEING AN AQUEOUS DISPERSION OF A FINELY DIVIDED WATER INSOLUBLE PIGMENT AND A FINELY DIVIDED OIL-SOLUBLE COLOR IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE BINDER; DRYING SAID COATING AT A TEMPERATURE SUBSTANTIALLY BELOW THE MELTING POINT OF SAID WAX; AND PASSING SAID COATED CELLULOSIC MATERIAL UNDER AN EMBOSSING ROLL HEATED TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID WAX, THE RESULTING MELTING OF THE WAX ACTING TO DEVELOP AT POINT OF CONTACT WITH THE EMBOSSING ROLL THE CONTRASTING COLOR OF THE SAID FINELY DIVIDED OIL-SOLUBLE COLOR BY DISSOLVING IT IN THE SAID MOLTEN WAX.
Claim 2
Independent Claim
147 words
A METHOD OF OBTAINING DUAL COLOR EFFECTS ON CELLULOSIC MATERIALS BY HOT EMBOSSING WHICH COMPRISES APPLYING TO ONE SURFACE OF SAID CELLULOSIC MATERIAL AN EMULSION, THE INTERNAL PHASE OF SAID EMULSION BEING A WATER-INSOLUBLE WAX HAVING A MELTING POINT ABOVE 140* F. AND BELOW 270* F., THE EXTERNAL PHASE OF SAID EMULSION BEING AN AQUEOUS DISPERSION OF A FINELY DIVIDED WATER INSOLUBLE PIGMENT AND A FINELY DIVIDED OIL-SOLUBLE COLOR IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE BINDER; DRYING SAID COATING AT A TEMPERATURE SUBSTANTIALLY BELOW THE MELTING POINT OF SAID WAX; AND PASSING SAID COATED CELLULOSIC MATERIAL UNDER AN EMBOSSING ROLL HEATED TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID WAX, THE RESULTING MELTING OF THE WAX ACTING TO DEVELOP AT POINT OF CONTACT WITH THE EMBOSSING ROLL THE CONTRASTING COLOR OF THE SAID FINELY DIVIDED OIL-SOLUBLE COLOR BY DISSOLVING IT IN THE SAID MOLTEN WAX.
References Cited (Backward Citations)
US1582416A
Cited
US1535999A
Cited
US2099880A
Cited
US1930853A
Cited
US1956197A
Cited
US2306525A
Cited
US2248233A
Cited
US2288527A
Cited
US2374862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |