US2707689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allyl starch coating composition, method of making same, method of applying same to keratinous material, and article produced thereby
Assignee: Merck and Co Inc
•
Filing: 1951-04-14
•
Granted: 1955-05-03
•
Expires: 1971-04-14
Abstract
No abstract record available.
Inventors
- 👤 Wilde Herman Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:52
CPC Classifications
D; D06; D06M; D06M16/00; D06M16/006; D06M15/00; D06M15/01; D06M15/03; D06M15/11; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2962; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T442/00; Y10T442/20; Y10T442/2525; Y10T442/2541
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
A COATING COMPOSITION COMPRISING AN AQUEOUS EMULSION HAVING A DISPERSED PHASE CONSISTING OF ALKYL STARCH, HAVING A SUBSTITUTE FACTOR OF ABOUT 1.80-1.85, DISSOLVED IN AN ORGANIC SOLVENT COMPRISING TOLUENE, AND CONTAINING AS AN EMULSIFYING AGENT AN AMOUNT OF SODIUM LAURYL SULFATE EQUAL ON A WEIGHT BASIS TO ABOUT 1% OF THE DISPERSED PHASE.
Claim 2
Dependent Claim
53 words
A COATING COMPOSITION COMPRISING AN AQUEOUS EMULSION HAVING A DISPERSED PHASE CONSISTING OF ALKYL STARCH, HAVING A SUBSTITUTE FACTOR OF ABOUT 1.80-1.85, DISSOLVED IN AN ORGANIC SOLVENT COMPRISING TOLUENE, AND CONTAINING AS AN EMULSIFYING AGENT AN AMOUNT OF SODIUM LAURYL SULFATE EQUAL ON A WEIGHT BASIS TO ABOUT 1% OF THE DISPERSED PHASE.
Claim 3
Dependent Claim
139 words
THE PROCESS FOR TREATING A FIBEROUS KERATINOUS MATETIAL COMPRISES IMMERSING SAID KERATINOUS MATERIAL IN A BATH OF DILUTE AQUEOUS EMULSION HAVING A DISPERSED PHASE COMPRISING ALKYL STARCH DISSOLVED IN TOLUENE CONTAINING 0-01 OF A 1 TO 4 CARBON ALCOHOL, SAID EMULSION CONTAINING AS AN EMULSIFYING AGENT AN AMOUNT OF SODIUM LAURYL SULFATE EQUIVALENT ON A WEIGHT BASIS TO ABOUT 1% OF SAID DISPERSED PHASE, AND SAID DISPERSED PHASE BEING PRESENT IN AN AMOUNT TO PROVIDE AN ALKYL STARCH CONCENTRATION EQUIVALENT ON A WEIGHT BASIS TO ABOUT 0.4 TO 1.0% OF SAID KERATINOUS MATERIAL, MODERATELY HEATING THE BATH AND KERATINOUS MATERIAL IMMERSED THEREIN TO EFFECT A DEPOSITION OF SAID DISPERSED PHASE ON SAID KETARINOUS MATERIAL THEN REMOVING AND DRYING THE KERATINOUS MATERIAL TO SIMULTANEOUSLY ELIMINATE WATER AND ORGANIC SOLVENT THEREFROM AND POLYMERIZE THE ALLYL STARCH ON SAID FIBROUS KERATINOUS MATERIAL.
Claim 4
Dependent Claim
139 words
THE PROCESS FOR TREATING A FIBEROUS KERATINOUS MATETIAL COMPRISES IMMERSING SAID KERATINOUS MATERIAL IN A BATH OF DILUTE AQUEOUS EMULSION HAVING A DISPERSED PHASE COMPRISING ALKYL STARCH DISSOLVED IN TOLUENE CONTAINING 0-01 OF A 1 TO 4 CARBON ALCOHOL, SAID EMULSION CONTAINING AS AN EMULSIFYING AGENT AN AMOUNT OF SODIUM LAURYL SULFATE EQUIVALENT ON A WEIGHT BASIS TO ABOUT 1% OF SAID DISPERSED PHASE, AND SAID DISPERSED PHASE BEING PRESENT IN AN AMOUNT TO PROVIDE AN ALKYL STARCH CONCENTRATION EQUIVALENT ON A WEIGHT BASIS TO ABOUT 0.4 TO 1.0% OF SAID KERATINOUS MATERIAL, MODERATELY HEATING THE BATH AND KERATINOUS MATERIAL IMMERSED THEREIN TO EFFECT A DEPOSITION OF SAID DISPERSED PHASE ON SAID KETARINOUS MATERIAL THEN REMOVING AND DRYING THE KERATINOUS MATERIAL TO SIMULTANEOUSLY ELIMINATE WATER AND ORGANIC SOLVENT THEREFROM AND POLYMERIZE THE ALLYL STARCH ON SAID FIBROUS KERATINOUS MATERIAL.
References Cited (Backward Citations)
US676375A
Cited
US2170654A
Cited
US2176894A
Cited
US2612477A
Cited
US2463869A
Cited
US2594384A
Cited
US2597865A
Cited
US2566861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |