US3104933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of dyeing with polyvinyl alcohol ester and quaternary ammonium compounds
Assignee: Yardney International Corp
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Filing: 1960-07-11
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Granted: 1963-09-24
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Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Meyer
- 👤 Horowitz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:07
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/525; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; D06P1/655; D06P1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR DYEING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, PROTEINCEOUS MATERIALS, CELLULOSIC MATERIALS AND LATEX RUBBER COMPRISING CONTACTING SAID POLYMER TO BE DYED WITH A PRODUCT SELECTED FROM THE GROUP CONSISTING OF (1) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND (2) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND AN ALIPHATIC QUATERNARY AMMONIUM HALIDE HAVING AT LEAST ONE SUBSTITUENT GROUP CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE CARBON CHAIN AND SUBSEQUENTLY CONTACTING THE TREATED MATERIAL WITH A DYE UNTIL THE DESIRED COLOR IS ATTAINED.
Claim 2
Independent Claim
95 words
A METHOD FOR DYEING A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYAMIDES, PROTEINCEOUS MATERIALS, CELLULOSIC MATERIALS AND LATEX RUBBER COMPRISING CONTACTING SAID POLYMER TO BE DYED WITH A PRODUCT SELECTED FROM THE GROUP CONSISTING OF (1) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND (2) A PARTIAL POLYVINYL ALCOHOL ESTER OF A POLYCARBOXYLIC ACID AND AN ALIPHATIC QUATERNARY AMMONIUM HALIDE HAVING AT LEAST ONE SUBSTITUENT GROUP CONTAINING FROM 8 TO 18 CARBON ATOMS IN THE CARBON CHAIN AND SUBSEQUENTLY CONTACTING THE TREATED MATERIAL WITH A DYE UNTIL THE DESIRED COLOR IS ATTAINED.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |