US2826526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesives
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1954-09-10
•
Granted: 1958-03-11
•
Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 Meyrick Thomas James
- 👤 Parry Edryd Gwylfa
- 👤 Watts John Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:18
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10S8/00; Y10S8/04; Y10S8/21; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31569; Y10T428/31573; Y10T428/3158; Y10T428/31583; Y10T428/31587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR BONDING A RUBBER COMPOUND SELECTED FROM THE GROUP CONSISTING OF NATURAAL RUBBER, POLYMERS OF BUTADIENE ANDM POLYMERS OF CHLOROBUTADIENE, TO CELLULOSIC FIRBROUS MTERIALS WHICH COMPRISES BRINGING THE SAID RUBBER COMPOUND AND THE SAID FIBROUS MATERIAL TOGETHER IN THE PRESENCE OF AN ADHESIVE COMPOUND OBTAINED BY REACTING O POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ETHYLENEDIISOCYANATES, BUTYLENE DIISOCYANATE, HEXAMETHYLENE DIISOCYANATES, BENZENE DI- AND TRI-ISOCYANATES, TOLUENE DI-AND TRI-ISOCYANATES, DIPHENYL-METHANE P:P''-DIISOCYANATES, DICYCLOHEXYLMETHANE DISSOCYANATES, CHLOROBENZENE DI-AND TRI-ISOCYANATES, NAPHTHALENE DI- AND TRIISOCYANATES, STILBENE DIISOCYANATE, DITOLYLMETHANE P:P''-DIISOCYANATES, DIXYLMETHANE DIISOCYANATES, DIPHENYLPROPANE P:P''-DIISOCYANATES, DIHENYLMETHANE TETRAISOCYANATE, TRIMETHYLBENZENE TRIISOCYANATES, PHENYLTOLYLMETHANE TRIISOCYANATES, DITOLYMETHANE TRIISOCYANATES, AND TRIPHENYLMETHANE TRIISOCYANATES WITH ETHYL ACETOACETATE, SAID ADHESIVE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
108 words
A PROCESS FOR BONDING A RUBBER COMPOUND SELECTED FROM THE GROUP CONSISTING OF NATURAAL RUBBER, POLYMERS OF BUTADIENE ANDM POLYMERS OF CHLOROBUTADIENE, TO CELLULOSIC FIRBROUS MTERIALS WHICH COMPRISES BRINGING THE SAID RUBBER COMPOUND AND THE SAID FIBROUS MATERIAL TOGETHER IN THE PRESENCE OF AN ADHESIVE COMPOUND OBTAINED BY REACTING O POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ETHYLENEDIISOCYANATES, BUTYLENE DIISOCYANATE, HEXAMETHYLENE DIISOCYANATES, BENZENE DI- AND TRI-ISOCYANATES, TOLUENE DI-AND TRI-ISOCYANATES, DIPHENYL-METHANE P:P''-DIISOCYANATES, DICYCLOHEXYLMETHANE DISSOCYANATES, CHLOROBENZENE DI-AND TRI-ISOCYANATES, NAPHTHALENE DI- AND TRIISOCYANATES, STILBENE DIISOCYANATE, DITOLYLMETHANE P:P''-DIISOCYANATES, DIXYLMETHANE DIISOCYANATES, DIPHENYLPROPANE P:P''-DIISOCYANATES, DIHENYLMETHANE TETRAISOCYANATE, TRIMETHYLBENZENE TRIISOCYANATES, PHENYLTOLYLMETHANE TRIISOCYANATES, DITOLYMETHANE TRIISOCYANATES, AND TRIPHENYLMETHANE TRIISOCYANATES WITH ETHYL ACETOACETATE, SAID ADHESIVE COMPOUND HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |