US3297786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of graft polymerizing onto hydrophobic substrates
Assignee: Yardney International Corp
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Filing: 1963-07-22
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Granted: 1967-01-10
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/08; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/09; Y10S8/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
A COMPOSITION OF MATTER USEFUL IN RENDERING HYDROPHOBIC POLYMERIC MATERIALS WETTABLE, COMPRISING AN AQUEOUS SOLUTION AT A PH LESS THAN ABOUT 3 OF ACRYLIC ACID AND MALEIC ANHYDRIDE IN WHICH HAS BEEN INCORPORATED
Claim 2
Dependent Claim
33 words
A COMPOSITION OF MATTER USEFUL IN RENDERING HYDROPHOBIC POLYMERIC MATERIALS WETTABLE, COMPRISING AN AQUEOUS SOLUTION AT A PH LESS THAN ABOUT 3 OF ACRYLIC ACID AND MALEIC ANHYDRIDE IN WHICH HAS BEEN INCORPORATED
Claim 3
Dependent Claim
69 words
A PROCESS FOR DYEING NYLON POLYAMIDES WHILE RENDERING THEM WETTABLE WITH A HIGH DEGREE OF RESIDUAL WETTABILITY AFTER REPEATED WASHING, COMPRISING THE STEPS OF TREATING THE POLYAMIDE WITH AN AQUEOUS SOLUTION OF BETWEEN SUBSTANTIALLY 0.5 AND 40% BY WEIGHT OF ACRYLIC ACID AND BETWEEN 0.5 AND 40% BY WEIGHT OF MALEIC ANHYDRIDE IN THE PRESENCE OF 0.01 TO 5% BY WEIGHT OF A CERIC COMPOUNDS HAVING THE STRUCTURAL FORMULA
Claim 4
Dependent Claim
69 words
A PROCESS FOR DYEING NYLON POLYAMIDES WHILE RENDERING THEM WETTABLE WITH A HIGH DEGREE OF RESIDUAL WETTABILITY AFTER REPEATED WASHING, COMPRISING THE STEPS OF TREATING THE POLYAMIDE WITH AN AQUEOUS SOLUTION OF BETWEEN SUBSTANTIALLY 0.5 AND 40% BY WEIGHT OF ACRYLIC ACID AND BETWEEN 0.5 AND 40% BY WEIGHT OF MALEIC ANHYDRIDE IN THE PRESENCE OF 0.01 TO 5% BY WEIGHT OF A CERIC COMPOUNDS HAVING THE STRUCTURAL 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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |