US3156745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of shaped structures of polyolefins having improved dyeing properties
Assignee: Hoechst AG
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Filing: 1960-12-06
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Granted: 1964-11-10
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Expires: 1980-12-06
Abstract
No abstract record available.
Inventors
- 👤 Behrenbruch Horst
- 👤 Happe Wilhelm
- 👤 Hoyer Hans
- 👤 Kinzinger Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:27
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08K; C08K5/00; C08K5/04; C08K5/07; C08L31/00; C08L31/02; C08L31/04; D; D01; D01F; D01F6/00; D01F6/44; D01F6/46; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/10; Y10S8/21; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A LINEAR POLYOLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYPROPYLENE HAVING ADMIXED THEREWITH FROM 0.1 AND 30% BY WEIGHT OF AN ADDITIVE CONSISTING ESSENTIALLY OF A POLYVINYL ESTER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETAE,POLYVINYL PROPIONATE, POLYVINYL BUTYRATE, POLYVINYL STEARATE, AND COPOLYMERS OF VINYL ESTERS SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE, VINYL PROPIONATE, VINYL BUTYRATE AND VINYL STEARATE WITH UNSATURATED CARBOXYLIC ACIDS TO IMPROVE THE DYEABILITY OF THE POLYOLEFIN.
References Cited (Backward Citations)
DE1050002B
Cited
US2448666A
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US2569470A
Cited
US2772247A
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US2975150A
Cited
US2944040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |