US3222318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene stabilized with dithiotriglycol dilaurate
Assignee: Millennium Petrochemicals Inc
•
Filing: 1962-09-11
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Granted: 1965-12-07
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Hans Z Lecher
- 👤 Braus Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/36; C08K5/37; C08K5/372
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
20 words
POYLPROPYLENE STABILIZED WITH 0.05 TO 0.5 PART BY WEIGHT PER 100 PARTS OF POLYMER WITH DITHIOTRIGYLCOL DILAURATE HAVING THE FORMULA:
Claim 2
Dependent Claim
20 words
POYLPROPYLENE STABILIZED WITH 0.05 TO 0.5 PART BY WEIGHT PER 100 PARTS OF POLYMER WITH DITHIOTRIGYLCOL DILAURATE HAVING THE FORMULA:
Claim 3
Dependent Claim
23 words
POLYPROPYLENE STABILIZED WITH 0.05 TO 0.5 PART BY WEIGHT PER 100 PARTS OF POYLMER WITH A MIXTURE OF DITHIOTRIGYLCOL DILAURATE HAVING THE FORMULA
Claim 4
Dependent Claim
23 words
POLYPROPYLENE STABILIZED WITH 0.05 TO 0.5 PART BY WEIGHT PER 100 PARTS OF POYLMER WITH A MIXTURE OF DITHIOTRIGYLCOL DILAURATE HAVING THE FORMULA
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |