US2609307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wool with acid aminotriazine resin colloids
Assignee: Wyeth Holdings LLC
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Filing: 1949-11-14
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Granted: 1952-09-02
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Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Fluck Linton Avery
- 👤 Lynn John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:12
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS WHICH COMPRISES IMPREGNATING WOOL WITH AN ACIDIC COLLOIDAL AQUEOUS SOLUTION OF A POLYMERIZED, POSITIVELY CHARGED, ALDEHYDE CONDENSATION PRODUCT OF AN AMINOTRIAZINE HAVING AT LEAST TWO AMINO GROUPS AND A HYDROGEN ATOM ATTACHED TO EACH AMINO NITROGEN ATOM, SAID POLYMERIZED CONDENSATION PRODUCT HAVING A DEFINITE POSITIVE ELECTRIC CHARGE AS SHOWN BY ITS MIGRATION TOWARD THE CATHODE ON ELECTROPHORESIS OF THE SOLUTION, SAID SOLUTION CONTAINING AN AMOUNT OF ACID CORRESPONDING TO 0.5-7 MOLS OF ACID PER MOL OF MONOMERIC CONDENSATION PRODUCT, THE TAKE-UP OF THE COLLODIAL SOLUTION BEING SUCH AS TO DEPOSIT IN THE WOOL FROM ABOUT 2.5%-15% BY WEIGHT, BASED ON THE DRY WEIGHT OF THE WOOL, OF THE POLYMERIZED AMINOTRIAZINE-ALDEHYDE CONDENSATION PRODUCT AND THEREAFTER DRYING THE IMPREGNATED WOOL WHEREBY THE AMINOTRIAZINE-ALDEHYDE CONDENSATION PRODUCT DEPOSITED IN SAID WOOL IS IN A SUBSTANTIALLY WATER-INSOLUBLE CONDITION.
Claim 2
Dependent Claim
135 words
A PROCESS WHICH COMPRISES IMPREGNATING WOOL WITH AN ACIDIC COLLOIDAL AQUEOUS SOLUTION OF A POLYMERIZED, POSITIVELY CHARGED, ALDEHYDE CONDENSATION PRODUCT OF AN AMINOTRIAZINE HAVING AT LEAST TWO AMINO GROUPS AND A HYDROGEN ATOM ATTACHED TO EACH AMINO NITROGEN ATOM, SAID POLYMERIZED CONDENSATION PRODUCT HAVING A DEFINITE POSITIVE ELECTRIC CHARGE AS SHOWN BY ITS MIGRATION TOWARD THE CATHODE ON ELECTROPHORESIS OF THE SOLUTION, SAID SOLUTION CONTAINING AN AMOUNT OF ACID CORRESPONDING TO 0.5-7 MOLS OF ACID PER MOL OF MONOMERIC CONDENSATION PRODUCT, THE TAKE-UP OF THE COLLODIAL SOLUTION BEING SUCH AS TO DEPOSIT IN THE WOOL FROM ABOUT 2.5%-15% BY WEIGHT, BASED ON THE DRY WEIGHT OF THE WOOL, OF THE POLYMERIZED AMINOTRIAZINE-ALDEHYDE CONDENSATION PRODUCT AND THEREAFTER DRYING THE IMPREGNATED WOOL WHEREBY THE AMINOTRIAZINE-ALDEHYDE CONDENSATION PRODUCT DEPOSITED IN SAID WOOL IS IN A SUBSTANTIALLY WATER-INSOLUBLE CONDITION.
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) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |