US2695899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorination of ethylene polymers
Assignee: Bayer AG
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Filing: 1951-12-15
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Granted: 1954-11-30
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Expires: 1971-12-15
Abstract
No abstract record available.
Inventors
- 👤 Becker Wilhelm
- 👤 Bayer Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:11
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/18; C08F8/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR THE MANUFACTURE OF CHLORINATION PRODUCTS OF POLYMERS WHICH COMPRISES POLYMERIZING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND MIXTURES OF ETHYLENE WITH VINYL COMPOUNDS, IN AQUEOUS EMULSION CONTAINING, AS THE EMULSIFYING AGENT, A WATERSOLUBLE SALT OF A COMPOUND OF THE GROUP CONSISTING OF SULFONATED LONG CHAIN PARAFFIN HYDRROCARBONS, SULFINATED LONG CHAIN PARAFFIN HYDROCARBONS AND SULFONATED FAT ALCOHOLS AND SUBSTANTIALLY IMMEDIATELY SUBJECTING THE EMULSION OF THE FINELY DISPERSED POLYMER TO THE ACTION OF CHLORINE UNTIL THE ADDED CHLORINE IS OVER ABOUT 40%.
Claim 2
Dependent Claim
85 words
A PROCESS FOR THE MANUFACTURE OF CHLORINATION PRODUCTS OF POLYMERS WHICH COMPRISES POLYMERIZING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND MIXTURES OF ETHYLENE WITH VINYL COMPOUNDS, IN AQUEOUS EMULSION CONTAINING, AS THE EMULSIFYING AGENT, A WATERSOLUBLE SALT OF A COMPOUND OF THE GROUP CONSISTING OF SULFONATED LONG CHAIN PARAFFIN HYDRROCARBONS, SULFINATED LONG CHAIN PARAFFIN HYDROCARBONS AND SULFONATED FAT ALCOHOLS AND SUBSTANTIALLY IMMEDIATELY SUBJECTING THE EMULSION OF THE FINELY DISPERSED POLYMER TO THE ACTION OF CHLORINE UNTIL THE ADDED CHLORINE IS OVER ABOUT 40%.
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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |