Patent US2408926A successfully refreshed from Google Patents.
US2653891A
Expired / Lapsed
US
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Process of treating fibrous materials to improve their bonds with rubber and the products thereof
Assignee: Acordis UK Ltd
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Filing: 1950-06-27
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Granted: 1953-09-29
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Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Gentle Alexander Henderson
- 👤 Jackson Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:51
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; C08J2321/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10S428/00; Y10S428/909; Y10T; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2861; Y10T442/2869; Y10T442/30; Y10T442/3854; Y10T442/3911
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
PROCESS FOR TREATING FIBROUS MATERIALS THE MOLECULES OF WHICH COMPRISE REPEATING UNITS CONTAINING CARBON, HYDROGEN AND A MORE ELECTRONEGATIVE ELEMENT THAN CARBON, TO FACILITATE THE SUBSEQUENT FORMATION OF STRONG BONDE WITH RUBBER DURING VULCANISATION OF THE RUBBER, WHICH COMPRISES INPREGNATING THE MATERIAL WITH A WATER-INSOLUBLE, ALCOHOL-SOLUBLE SYNTHETIC RESIN IN SOLUTION IN A VOLATILE, NEUTRAL ORGANIC LIQUID THAT IS COMPLETELY MISCIBLE WITH WATER, AND DRYING THE MATERIAL, THE SYNTHETIC RESIN BEING A PRODUCT OBTAINED BY CONDENSING FORMALDEHYDE WITH RESORCINOL IN MOLAR PROPORTIONS OF CH2O TO RESORCINOL RANGING FROM 1:2 TO 1:1, UNDER NONALKALINE CONDITIONS, AND THE SAID SOLUTION BEING FREE FROM ANY SOURCE OF ADDITIONAL FORMALDEHYDE AND FROM ANY ADHESIVE OTHER THAN SAID RESIN.
Claim 2
Dependent Claim
113 words
PROCESS FOR TREATING FIBROUS MATERIALS THE MOLECULES OF WHICH COMPRISE REPEATING UNITS CONTAINING CARBON, HYDROGEN AND A MORE ELECTRONEGATIVE ELEMENT THAN CARBON, TO FACILITATE THE SUBSEQUENT FORMATION OF STRONG BONDE WITH RUBBER DURING VULCANISATION OF THE RUBBER, WHICH COMPRISES INPREGNATING THE MATERIAL WITH A WATER-INSOLUBLE, ALCOHOL-SOLUBLE SYNTHETIC RESIN IN SOLUTION IN A VOLATILE, NEUTRAL ORGANIC LIQUID THAT IS COMPLETELY MISCIBLE WITH WATER, AND DRYING THE MATERIAL, THE SYNTHETIC RESIN BEING A PRODUCT OBTAINED BY CONDENSING FORMALDEHYDE WITH RESORCINOL IN MOLAR PROPORTIONS OF CH2O TO RESORCINOL RANGING FROM 1:2 TO 1:1, UNDER NONALKALINE CONDITIONS, AND THE SAID SOLUTION BEING FREE FROM ANY SOURCE OF ADDITIONAL FORMALDEHYDE AND FROM ANY ADHESIVE OTHER THAN SAID RESIN.
Claim 3
Dependent Claim
76 words
TEXTILE MATERIAL COMPRISING YARN OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF CELLULOSE AND REGENERATED CELLULOSE, SAID MATERIAL BEING IMPREGNATED WITH 0.5 TO 2% OF ITS WEIGHT OF WATER-INSOLUBLE, ALCOHOL-SOLUBLE SYNTHETIC RESIN OBTAINED BY CONDENSING FORMALDEHYDE WITH RESORCINOL IN MOLAR PROPORTIONS OF CH2O TO RESORCINOL RANGING FROM 6:7 TO 1:1 IN THE PRESENCE OF AN ACID CATALYST, SAID FABRIC BEING FREE FROM ANY SOURCE OF ADDITIONAL FORMALDEHYDE AND FROM ANY ADHESIVE OTHER THAN SAID RESIN.
Claim 4
Dependent Claim
76 words
TEXTILE MATERIAL COMPRISING YARN OF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF CELLULOSE AND REGENERATED CELLULOSE, SAID MATERIAL BEING IMPREGNATED WITH 0.5 TO 2% OF ITS WEIGHT OF WATER-INSOLUBLE, ALCOHOL-SOLUBLE SYNTHETIC RESIN OBTAINED BY CONDENSING FORMALDEHYDE WITH RESORCINOL IN MOLAR PROPORTIONS OF CH2O TO RESORCINOL RANGING FROM 6:7 TO 1:1 IN THE PRESENCE OF AN ACID CATALYST, SAID FABRIC BEING FREE FROM ANY SOURCE OF ADDITIONAL FORMALDEHYDE AND FROM ANY ADHESIVE OTHER THAN SAID RESIN.
References Cited (Backward Citations)
US2497454A
Cited
US2449180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |