US2990313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of polyethylene terephthalate fibres to rubber
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1958-03-03
•
Granted: 1961-06-27
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Knowles Eric
- 👤 Meyrick Thomas James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
PROCESS FOR THE BONDING OF POLYETHYLENE TEREPHTHALATE FIBRES TO RUBBER COMPRISING FIRST TREATING SAID FIBRES WITH A POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF 4:4''-DIISOCYANATO DIPHENYL METHANE AND 4:4:4''-TRIISOCYANATO TRIPHENYL METHANE, THEREAFTER APPLYING TO SAID FIBRES AN AQUEOUS ADHESIVE SYSTEM BASED UPON A BUTADIENEVINYL PYRIDINE LATEX AND A RESORCINOL-FORMALDEHYDE SOLUTION AND THEN CONTACTING THUS TREATED FIBRES WITH SAID RUBBER.
Claim 2
Dependent Claim
59 words
PROCESS FOR THE BONDING OF POLYETHYLENE TEREPHTHALATE FIBRES TO RUBBER COMPRISING FIRST TREATING SAID FIBRES WITH A POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF 4:4''-DIISOCYANATO DIPHENYL METHANE AND 4:4:4''-TRIISOCYANATO TRIPHENYL METHANE, THEREAFTER APPLYING TO SAID FIBRES AN AQUEOUS ADHESIVE SYSTEM BASED UPON A BUTADIENEVINYL PYRIDINE LATEX AND A RESORCINOL-FORMALDEHYDE SOLUTION AND THEN CONTACTING THUS TREATED FIBRES WITH SAID RUBBER.
References Cited (Backward Citations)
US2430479A
Cited
US2415839A
Cited
US2652353A
Cited
US2653891A
Cited
US2766164A
Cited
US2930106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |