US3067159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous water repellent dispersions comprising a methylene dialkylamide, a methylol cndensate, and a non-ionic surface active agent
Assignee: Chicopee Manufacturing Corp
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Filing: 1957-10-17
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Granted: 1962-12-04
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Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 David M Musser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:29
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A SUBSTANTIALLY ORGANIC SOLVENT-FREE AQUEOUS COLLOIDA DISPERSION HAVING A CONTINUOUS PHASE COMPRISING A SOLUTION OF AN ACID-STABLE, NON-IONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF POLYOXETHYLENE SORBITAN MONOPALMITATE AND SORBITAN MONOPALMITATE IN WATER, A DISCONTINOUS PHASE COMPRISING COLLOIDAL PARTICLES OF A COMPOUND PRODUCED IN SITU HAVING THE FORMULA (RCONH)2CH2 IN WHICH R REPRESENTS AN ALIPHATIC HYDROCARBON CHAIN CONTINING 16 TO 30 CARBON ATOMS AND A SECOND DISCONTINUOUS PHASE COMPRISING A HEAT-CURABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHYLOL UREA, METHANOL MODIFIED METHYLOL UREA, METHYLOL MELAMINE, AND METHYLATED METHYLOL MELAMINE.
Claim 2
Dependent Claim
92 words
A SUBSTANTIALLY ORGANIC SOLVENT-FREE AQUEOUS COLLOIDA DISPERSION HAVING A CONTINUOUS PHASE COMPRISING A SOLUTION OF AN ACID-STABLE, NON-IONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF POLYOXETHYLENE SORBITAN MONOPALMITATE AND SORBITAN MONOPALMITATE IN WATER, A DISCONTINOUS PHASE COMPRISING COLLOIDAL PARTICLES OF A COMPOUND PRODUCED IN SITU HAVING THE FORMULA (RCONH)2CH2 IN WHICH R REPRESENTS AN ALIPHATIC HYDROCARBON CHAIN CONTINING 16 TO 30 CARBON ATOMS AND A SECOND DISCONTINUOUS PHASE COMPRISING A HEAT-CURABLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHYLOL UREA, METHANOL MODIFIED METHYLOL UREA, METHYLOL MELAMINE, AND METHYLATED METHYLOL MELAMINE.
References Cited (Backward Citations)
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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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |