US3148164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for making textiles water resistant
Assignee: Chemische Fabrik Pfersee GmbH
•
Filing: 1961-07-31
•
Granted: 1964-09-08
•
Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Enders Heinz Werner
- 👤 Deiner Hans
- 👤 Kurz Eugen Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A PRODUCT FOR TREATING TEXTILES WHICH COMPRISES THE COMBINATION OF AN AQUEOUS DISPERSION CONTAINING N-ALKYL-N''N''-ALKYLENE UREA, WHEREIN THE ALKYL RADICAL HAS AT LEAST TEN CARBON ATOMS, AND THE ALKYLENE RADICAL HAS BETWEEN TWO AND THREE CARBON ATOMS; WITH A WATER INSOLUBLE PRE-CONDENSATE OF AN AMINOTRIAZINE HAVING AT LEAST TWO AMINO RADICALS AND BEING FREE OF HYDROXYL RADICALS DIRECTLY BOUND TO THE TRIAZINE NUCLEUS, WITH FORMALDEHYDE AND A LOWER MONOHYDRIC ALKANOL HAVING BETWEEN ONE AND FIVE CARBONS ATOMS, SAID PRE-CONDENSATE BEING SOLUBLE IN ORGANIC SOLVENTS AND IN DILUTE AQUEOUS SOLUTIONS OF LOWER MONOCARBOXYLIC ALKANOIC ACIDS, AND SAID PRE-CONDENSATE PER TRIAZINYL RADICAL HAVING AT LEAST ONE ALIPHATIC RADICAL OF MORE THAN TEN CARBONS ATOMS AND AT LEAST 0.2 MOL EQUIVALENT OF BASIC AMINO GROUPS OF AN ALKANOLAMINE OF THE FORMULA
Claim 2
Dependent Claim
128 words
A PRODUCT FOR TREATING TEXTILES WHICH COMPRISES THE COMBINATION OF AN AQUEOUS DISPERSION CONTAINING N-ALKYL-N''N''-ALKYLENE UREA, WHEREIN THE ALKYL RADICAL HAS AT LEAST TEN CARBON ATOMS, AND THE ALKYLENE RADICAL HAS BETWEEN TWO AND THREE CARBON ATOMS; WITH A WATER INSOLUBLE PRE-CONDENSATE OF AN AMINOTRIAZINE HAVING AT LEAST TWO AMINO RADICALS AND BEING FREE OF HYDROXYL RADICALS DIRECTLY BOUND TO THE TRIAZINE NUCLEUS, WITH FORMALDEHYDE AND A LOWER MONOHYDRIC ALKANOL HAVING BETWEEN ONE AND FIVE CARBONS ATOMS, SAID PRE-CONDENSATE BEING SOLUBLE IN ORGANIC SOLVENTS AND IN DILUTE AQUEOUS SOLUTIONS OF LOWER MONOCARBOXYLIC ALKANOIC ACIDS, AND SAID PRE-CONDENSATE PER TRIAZINYL RADICAL HAVING AT LEAST ONE ALIPHATIC RADICAL OF MORE THAN TEN CARBONS ATOMS AND AT LEAST 0.2 MOL EQUIVALENT OF BASIC AMINO GROUPS OF AN ALKANOLAMINE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |