US3150917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polyolefin articles and resulting products
Assignee: Individual
•
Filing: 1962-04-23
•
Granted: 1964-09-29
•
Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Gagliardi Domenick Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/53; D06M11/00; D06M11/51; D06M11/55; D06P; D06P5/00; D06P5/22; Y; Y10; Y10S; Y10S260/00; Y10S260/21; Y10S8/00; Y10S8/09; Y10S8/90; Y10S8/901; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS FOR IMPROVING THE SURFACE CHARACTERISTICS OF A PERFORMED ARTICLE COMPOSED OF SOLID POLYOLEFIN WHICH COMPRISES: (A) APPLYING TO SAID ARTICLE AN AQUEOUS COMPOSITION CONTAINING A MIXTURE OF ABOUT 0.1 TO 5% SULFURIC ACID AND ABOUT 0.1 TO 5% OF A POLYALKYLENE OXIDE MATERIAL HAVING THE FORMULA:
Claim 2
Dependent Claim
84 words
A PROCESS OF DYEING OLEFIN FIBERS WHICH COMPRISES: (A) CONTACTING OLEFIN FIBERS WITH AN AQUEOUS SOLUTION CONTAINING 0.1 TO 5% SULFURIC ACID AND A POLYALKYLENE OXIDE MATERIAL HAVING THE FOLMULA (I) OF CLAIM 2, (B) HEATING THE FIBERS WHILE IN CONTACT WITH SAID FULFURIC ACID SOLUTION AT AN ELEVATED TEMPERATURE ABOVE 100*C., BUT BELOW THE MELTING POINT OF THE FIBERS, (C) CLEANING THE FIBERS TO REMOVE THEREFROM EXCESS SULFURIC ACID AND POLYALKYLENE OXIDE MATERIAL, AND THEN (D) DYEING THE FIBERS WITH A CATIONIC DYE.
References Cited (Backward Citations)
US2628534A
Cited
US2932550A
Cited
US2886471A
Cited
US2793964A
Cited
US2879177A
Cited
US2937066A
Cited
US2832699A
Cited
US2832698A
Cited
US2786783A
Cited
US2973241A
Cited
US3112981A
Cited
GB904998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |