US3297675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated polyethylene
Assignee: Honeywell International Inc
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Filing: 1963-12-23
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Granted: 1967-01-10
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Fuhrmann Robert
- 👤 Plains Morris
- 👤 Fred W Koff
- 👤 Jerolamon David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/18; C08F8/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A PROCESS FOR THE BROMO-CHLORINATION OF CHLORINATED POLYETHYLENE COMPRISING INTERACTING CHLORINATED POLYETHYLENE, A WATER SOLUBLE BROMIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS AND CHLORINE IN AN AQUEOUS MEDIUM WHEREBY SAID CHLORINATED POLYETHYLENE IS BOTH BROMINATED AND FURTHER CHLORINATED.
Claim 2
Dependent Claim
47 words
A PROCESS FOR THE BROMO-CHLORINATION OF CHLORINATED POLYETHYLENE COMPRISING INTERACTING CHLORINATED POLYETHYLENE, A WATER SOLUBLE BROMIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS AND CHLORINE IN AN AQUEOUS MEDIUM WHEREBY SAID CHLORINATED POLYETHYLENE IS BOTH BROMINATED AND FURTHER CHLORINATED.
Claim 3
Dependent Claim
108 words
A PROCESS FOR THE BROMO-CHLORINATION OF LINEAR, AMORPHOUS, CHLORINATED POLYETHYLENE HAVING INTRISIC VISCOSITY AS DETERMINED IN /-DICHLOROBENZE AT 100*C. IN THE RANGE FROM ABOUT 0.2 TO ABOUT 5 DL./GM.; HAVING GLASS TRANSITION TEMPERATURE NOT EXCEEDING 20*C.; AND HAVING CHLORINE CONTENT ABOUT 20-45%; SAID PROCESS COMPRISING ADDING A BROMIDE OF METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, AND LITHIUM, TO AN AQUEOUS SUSPENSION OF SAID LINEAR, AMORPHOUS, CHLORINATED POLYETHYLENE AND INTRODUCING CHLORINE INTO SAID BROMIDE-CONTAINIGN AQUEOUS SUSPENSION WHEREBY SAID CHLORINATED POLYETHYLENE IS BOTH BROMINATED AND FURTHER CHLORINATED TO BROMINE CONTENT IN THE RANGE FROM 0.2% TO 10%, BY WEIGHT AND CHLORINE CONTENT NOT ABOUT 48% BY WEIGHT.
Claim 4
Dependent Claim
108 words
A PROCESS FOR THE BROMO-CHLORINATION OF LINEAR, AMORPHOUS, CHLORINATED POLYETHYLENE HAVING INTRISIC VISCOSITY AS DETERMINED IN /-DICHLOROBENZE AT 100*C. IN THE RANGE FROM ABOUT 0.2 TO ABOUT 5 DL./GM.; HAVING GLASS TRANSITION TEMPERATURE NOT EXCEEDING 20*C.; AND HAVING CHLORINE CONTENT ABOUT 20-45%; SAID PROCESS COMPRISING ADDING A BROMIDE OF METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, AND LITHIUM, TO AN AQUEOUS SUSPENSION OF SAID LINEAR, AMORPHOUS, CHLORINATED POLYETHYLENE AND INTRODUCING CHLORINE INTO SAID BROMIDE-CONTAINIGN AQUEOUS SUSPENSION WHEREBY SAID CHLORINATED POLYETHYLENE IS BOTH BROMINATED AND FURTHER CHLORINATED TO BROMINE CONTENT IN THE RANGE FROM 0.2% TO 10%, BY WEIGHT AND CHLORINE CONTENT NOT ABOUT 48% BY WEIGHT.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |