Patent US3297467A successfully refreshed from Google Patents.
US3297467A
Expired / Lapsed
US
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Treatment of poltyethylene terephthalate filaments for improved rubber adhesion
Assignee: Glanzstoff AG
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Filing: 1964-11-10
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Granted: 1967-01-10
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Macura Karl
- 👤 Schmitz Franz Josef
- 👤 Siggel Erhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:17
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D06; D06M; D06M13/00; D06M13/10; D06M13/165; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN IMPROVED PROCESS FOR PRETREATING A NON-WOVEN POLYETHYLENE TEREPHTHALATE YARN FOR SUBSEQUENT RUBBER ADHESION, WHICH PROCESS COMPRISES: APPLYING SUBSTANTIALLY CONCURRENTLY AS A BASE COATING ONTO SAID NON-WOVEN YARN AN AQUEOUS DISPERSION OF (A) THE CURABLE COMBINATION OF A POLYGLYCIDIC ETHER OF AN ACYCLIC HYDROCARBON SUBSTITUTED BY AT LEAST THREE HYDROXY GROUPS AND AN AMINE CURING AGENT, AND (B) A LUBRICATING AGENT WHICH IS ADAPTED TO LUBRICATE THE FILAMENTS IN SAID NON-WOVEN YARN DURING SUBSEQUENT TRANSPORT AND HANDLING; AND THEN HEATING THE BASE COATED YARN TO A TEMPERATURE OF ABOUT 160*C. TO 245*C. FOR A PERIOD OF TIME SUFFICIENT TO FIX THE ETHER AND AMINE COMPONENTS THERTO.
Claim 2
Dependent Claim
106 words
AN IMPROVED PROCESS FOR PRETREATING A NON-WOVEN POLYETHYLENE TEREPHTHALATE YARN FOR SUBSEQUENT RUBBER ADHESION, WHICH PROCESS COMPRISES: APPLYING SUBSTANTIALLY CONCURRENTLY AS A BASE COATING ONTO SAID NON-WOVEN YARN AN AQUEOUS DISPERSION OF (A) THE CURABLE COMBINATION OF A POLYGLYCIDIC ETHER OF AN ACYCLIC HYDROCARBON SUBSTITUTED BY AT LEAST THREE HYDROXY GROUPS AND AN AMINE CURING AGENT, AND (B) A LUBRICATING AGENT WHICH IS ADAPTED TO LUBRICATE THE FILAMENTS IN SAID NON-WOVEN YARN DURING SUBSEQUENT TRANSPORT AND HANDLING; AND THEN HEATING THE BASE COATED YARN TO A TEMPERATURE OF ABOUT 160*C. TO 245*C. FOR A PERIOD OF TIME SUFFICIENT TO FIX THE ETHER AND AMINE COMPONENTS THERTO.
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 |