US3025262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flameproofing olefin polymers
Assignee: Hoechst AG
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Filing: 1959-12-14
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Granted: 1962-03-13
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Peters Heinrich
- 👤 Schleede Dietrich
- 👤 Jochinke Hellmut
- 👤 Klug Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03; C08K5/04; C08K5/15; C08K5/156; C08K5/1575
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN OLDFIN POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, ETHYLENE-PROPYLENE COPOLYMERS, AND ETHYLENE-BUTENE COPOLYMERS, WHICHPOLYMERS HAVE BEEN RENDERED FLAME-RESISTANT BY AN ADDITION OF (1) OCTACHLORO-DIPHENYLENE-DIOXIDE AND (2) AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ANTIMONY TRIOXIDE, ANTIMONY TRISULFIDE, ARSENIC TRIOXIDE, AND BISMUTSH TRIOXIDE, SAID ADDITION BEING HOMOGENEOUSLY ADMIXED WITH THE SAID OLEFIN POLYMERS.
Claim 2
Dependent Claim
58 words
AN OLDFIN POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, ETHYLENE-PROPYLENE COPOLYMERS, AND ETHYLENE-BUTENE COPOLYMERS, WHICHPOLYMERS HAVE BEEN RENDERED FLAME-RESISTANT BY AN ADDITION OF (1) OCTACHLORO-DIPHENYLENE-DIOXIDE AND (2) AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ANTIMONY TRIOXIDE, ANTIMONY TRISULFIDE, ARSENIC TRIOXIDE, AND BISMUTSH TRIOXIDE, SAID ADDITION BEING HOMOGENEOUSLY ADMIXED WITH THE SAID OLEFIN POLYMERS.
References Cited (Backward Citations)
US2918451A
Cited
US2925398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |