US3359346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric polyethylene nucleating agents
Assignee: Mitsubishi Chemical Corp
•
Filing: 1964-01-15
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Granted: 1967-12-19
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Takashima Naoichi
- 👤 Kuroda Toshihiko
- 👤 Nakayama Yuziro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:31
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08F; C08F8/00; C08F8/40; C08K; C08K5/00; C08K5/49; C10; C10G; C10G73/00; C10G73/38; C08L2205/00; C08L2205/02; C08L2205/03; C08L2207/00; C08L2207/06; C08L2207/07; C08L2207/10; C08L2207/14; C08L23/26; C08L23/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COMPOSITION CONSISTINF OF SOLID BRANCHED CHAIN POLYETHYLENE AND LESS THAN 10% OF A MODIFIED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF SOLID POLYETHYLENE, POLYPROPYLENE AND PARAFFIN WAX CHEMICALLY BONDED WITH FROM 0.1 TO 2.1% PHOSPHORUS WHEREIN SAID CHEMICAL BONDING IS EFFECTED BY REACTING SAID HYDROCARBON WITH PHOSPHORUS TRICHLORIDE AND OXYGEN.
Claim 2
Dependent Claim
51 words
A COMPOSITION CONSISTINF OF SOLID BRANCHED CHAIN POLYETHYLENE AND LESS THAN 10% OF A MODIFIED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF SOLID POLYETHYLENE, POLYPROPYLENE AND PARAFFIN WAX CHEMICALLY BONDED WITH FROM 0.1 TO 2.1% PHOSPHORUS WHEREIN SAID CHEMICAL BONDING IS EFFECTED BY REACTING SAID HYDROCARBON WITH PHOSPHORUS TRICHLORIDE AND OXYGEN.
References Cited (Backward Citations)
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Cited
US3125462A
Cited
US3008939A
Cited
US3058941A
Cited
US3265771A
Cited
US3254139A
Cited
US3255276A
Cited
US3228896A
Cited
US3226454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |