US3078247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable aqueous emulsions of elastomeric chloroprene copolymers containing zinc oxide
Assignee: Bayer AG
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Filing: 1959-12-15
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Granted: 1963-02-19
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Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 Sinn Gustav
- 👤 Dietrich Rosahl
- 👤 Esser Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/14; C08F236/16; C08F236/18; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08L; C08L13/00; C08L13/02; C14; C14C; C14C11/00; C14C11/003
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
A STABLE AQUEOUS EMULSION OF A SYNTHETIC ELASTOMER WHICH IS SUITABLE FOR THE PRODUCTION OF CROSS-LINK SHAPED ELEMENTS WHICH CONTAINS 2 TO 10 PERCENT BY WEIGHT, BASED ON THE TOTAL AMOUNT OF EMULSION, OF ZINC OXIDE AS A CROSSLINKING AGENT, 1 TO 5 PERCENT, BASED ON THE COPOLYMER, OF A NON-IONIC EMULSIFIER, AND A SYNTHETIC ELASTOMER WHICH IS A COPOLYMER OF CHLOROPRENE, AND ALPHA,BETA-ETHYLENECARBOXYLIC ACID, AND AN ADDITIONAL OLEFINICALLY INSATURATED MONOMER WHICH IS COPOLYMERIZABLE THEREWITH, THE CHLOROPRENE CONTENT OF SAID COPOLOYMER BEING HIGHER, IN AMOUNT BY WEIGHT, THAN THE SUM OF THE OTHER TWO SAID MONOMERS, SAID EMULSION HAVING A PH VALUE OF ABOUT 6 TO 6.5.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |