US3228793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for rubberizing textile material with a saturated copolymer of olefins
Assignee: Hoechst AG
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Filing: 1962-04-03
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Granted: 1966-01-11
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Expires: 1982-04-03
Abstract
No abstract record available.
Inventors
- 👤 Stemmer Hans Dieter
- 👤 Schmidt Erich
- 👤 Winter Jakob
- 👤 Kuhlkamp Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08F; C08F255/00; C08F8/00; C08F8/30; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6204; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; C08F2800/00; C08F2800/10; C08J2323/00; C08J2323/02; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PROCESS FOR THE NAMUFACTURE OF RUBBER ARTICLES FORMED OF TEXTILE MATERIAL AND SATURATED AMORPHOUS COPOLYMERS OF OLEFINS AS RUBBER CONSTITUENTS WHICH COMPRISES (A) PREPARING THE DRY TEXTILE MATERIAL BY DIPPING IT INTO A SOLUTION CONSISTING ESSENTIALLY OF AN INERT ORGANIC SOLVENT, 0.1-20% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISING OF A DIISOCYANATE AND A POLUISOCYANATE, AND 0.5-10% BY WEIGHT OF A MODIFIED COPOLYMER OF ETHENE AND PROPENE CAPABLE OF REACTING WITH ISOCYANATES WHICH MODIFIED COPLYMER HAS BEEN PREPARED BY REACTING A SATURATED AMORPHOUS COPOLYMER OF ETHENE AND PROPENE IN AN INERT ORGANIC SOLVENT WITH A RADICAL-FORMING SUBSTANCE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMPOUND SELECTED FROM THE GROUP CNSISTING OF FORMALDEHYDE, ACRYLAMIDE AND N-METHYLOLACRYLAMIDE, (B) DRYING THE SO PREPARED TEXTILE MATERIAL AND (C) VULCANIZING THE DRY PREPARED TEXTILE MATERIAL INTO A COMPOSITION CONSISTING ESSENTIALLY OF A SATURATED AMORPHOUS COPOLYMER OF ETHENE AND PROPENE.
Claim 2
Dependent Claim
150 words
A PROCESS FOR THE NAMUFACTURE OF RUBBER ARTICLES FORMED OF TEXTILE MATERIAL AND SATURATED AMORPHOUS COPOLYMERS OF OLEFINS AS RUBBER CONSTITUENTS WHICH COMPRISES (A) PREPARING THE DRY TEXTILE MATERIAL BY DIPPING IT INTO A SOLUTION CONSISTING ESSENTIALLY OF AN INERT ORGANIC SOLVENT, 0.1-20% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISING OF A DIISOCYANATE AND A POLUISOCYANATE, AND 0.5-10% BY WEIGHT OF A MODIFIED COPOLYMER OF ETHENE AND PROPENE CAPABLE OF REACTING WITH ISOCYANATES WHICH MODIFIED COPLYMER HAS BEEN PREPARED BY REACTING A SATURATED AMORPHOUS COPOLYMER OF ETHENE AND PROPENE IN AN INERT ORGANIC SOLVENT WITH A RADICAL-FORMING SUBSTANCE AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMPOUND SELECTED FROM THE GROUP CNSISTING OF FORMALDEHYDE, ACRYLAMIDE AND N-METHYLOLACRYLAMIDE, (B) DRYING THE SO PREPARED TEXTILE MATERIAL AND (C) VULCANIZING THE DRY PREPARED TEXTILE MATERIAL INTO A COMPOSITION CONSISTING ESSENTIALLY OF A SATURATED AMORPHOUS COPOLYMER OF ETHENE AND PROPENE.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |