US3255276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of hydrocarbons modified with vinyl phosphonic acid
Assignee: Hoechst AG
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Filing: 1962-04-11
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Granted: 1966-06-07
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Winter Jakob
- 👤 Rochlitz Fritz
- 👤 Stemmer Hans Dieter
- 👤 Schmidt Erich
- 👤 Rochlitz Franz
- 👤 Rochlitz Anneliese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:08
CPC Classifications
C; C08; C08F; C08F255/00; C08C; C08C19/00; C08C19/24; C08F246/00; C08F291/00; C08F30/00; C08F30/02; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR THE MANUFACTURE OF A HYDROCARBON CONTAINING PHOSPHONIC ACID GROUPS, WHICH COMPRISES REACTING A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, POLYBUTENE-1, COPOLYMERS OF ETHYLENE WITH A-OLEFINS HAVING UP TO 12 CARBON ATOMS, POLYSTYRENE, NATURAL RUBBER, HYDROGENIZED NATURAL RUBBER, POLYISOPRENE, POLYBUTADIENE, A COPOLYMER OF BUTADIENE WITH STYRENE, A COPOLYMER OF BUTADIENE WITH ACRYLONITRILE, A POLYCHLOROPRENE, A CHLORINATED POLYMER OF ETHYLENE, A CHLOROSULFONATED POLYMER OF ETHYLENE, A CHLORINATED POLYMER OF AN A-OLEFIN, A CHLOROSULFONATED POLYMER OF AN A-OLEFIN AND CHLORINATED AND CHLOROSULFONATED COPOLYMERS OF ETHYLENE AND A-OLEFINS, WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL PHOSPHONIC ACID, A HALIDE OF VINYL PHOSPHONIC ACID AND A SEMI-ESTER OF VINYL PHOSPHONIC ACID IN THE PRESENCE OF A RADICAL-FORMING COMPOUND.
Claim 2
Dependent Claim
124 words
A PROCESS FOR THE MANUFACTURE OF A HYDROCARBON CONTAINING PHOSPHONIC ACID GROUPS, WHICH COMPRISES REACTING A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, POLYBUTENE-1, COPOLYMERS OF ETHYLENE WITH A-OLEFINS HAVING UP TO 12 CARBON ATOMS, POLYSTYRENE, NATURAL RUBBER, HYDROGENIZED NATURAL RUBBER, POLYISOPRENE, POLYBUTADIENE, A COPOLYMER OF BUTADIENE WITH STYRENE, A COPOLYMER OF BUTADIENE WITH ACRYLONITRILE, A POLYCHLOROPRENE, A CHLORINATED POLYMER OF ETHYLENE, A CHLOROSULFONATED POLYMER OF ETHYLENE, A CHLORINATED POLYMER OF AN A-OLEFIN, A CHLOROSULFONATED POLYMER OF AN A-OLEFIN AND CHLORINATED AND CHLOROSULFONATED COPOLYMERS OF ETHYLENE AND A-OLEFINS, WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL PHOSPHONIC ACID, A HALIDE OF VINYL PHOSPHONIC ACID AND A SEMI-ESTER OF VINYL PHOSPHONIC ACID IN THE PRESENCE OF A RADICAL-FORMING COMPOUND.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |