US3073790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersion consisting of polypropylene containing isotactic macromolecules and water
Assignee: MONTCCATINI GENERALE P Soc
•
Filing: 1957-10-04
•
Granted: 1963-01-15
•
Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Bosoni Achille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:41
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
AN AQUEOUS DISPERSION CONSISTING OF WATER AND A POLYPROPYLENE, WHICH CONTAINS MORE THAN 50% OF ISOTACTIC MACROMOLECULES, IS MORE THAN 50% CRYSTALLINE, HAS A MOLECULAR WEIGHT OF AT LEAST 50,000 AND A PARTICLE SIZE OF FROM 0.1 TO 20 MICRONS.
Claim 2
Dependent Claim
40 words
AN AQUEOUS DISPERSION CONSISTING OF WATER AND A POLYPROPYLENE, WHICH CONTAINS MORE THAN 50% OF ISOTACTIC MACROMOLECULES, IS MORE THAN 50% CRYSTALLINE, HAS A MOLECULAR WEIGHT OF AT LEAST 50,000 AND A PARTICLE SIZE OF FROM 0.1 TO 20 MICRONS.
References Cited (Backward Citations)
US2313144A
Cited
US2369471A
Cited
US2386674A
Cited
US2496989A
Cited
US2559752A
Cited
US2726231A
Cited
BE538782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |