US3317436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid stabilizers for vinyl chloride polymers comprising a lead salt dissolved in an alkyl phenol
Assignee: Chemische Fabrik Hoesch KG
•
Filing: 1963-02-19
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Granted: 1967-05-02
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Szczepanek Alfred
- 👤 Koenen Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/13; C08K5/138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A LIQUID LEAD STABILIZER COMPOSITION COMPRISING A SOLUTION OF A MAJOR PROPORTION OF AT LEAST ONE LEAD SALT OF ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AN EPOXIDIZED FATTY ACID, KOCH ACIDS CONSISTING OF A MIXTURE OF BRANCHED, CYCLIC AND STRAIGNT-CHAIN ALIPHIC MONOCARBOXYLIC ACIDS OF 9 TO 19 CARBON ATOMS, AND ALKYL PHENOL IN WHICH THE ALKYL GROUP HAS 1 TO 12 CARBONS, AND A NAPHTHENIC ACID DISSOLVED IN A MINOR PROPORTION OF AN ALKYL PHENOL IN WHICH THE ALKYL GROUP HAS 1 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
88 words
A LIQUID LEAD STABILIZER COMPOSITION COMPRISING A SOLUTION OF A MAJOR PROPORTION OF AT LEAST ONE LEAD SALT OF ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AN EPOXIDIZED FATTY ACID, KOCH ACIDS CONSISTING OF A MIXTURE OF BRANCHED, CYCLIC AND STRAIGNT-CHAIN ALIPHIC MONOCARBOXYLIC ACIDS OF 9 TO 19 CARBON ATOMS, AND ALKYL PHENOL IN WHICH THE ALKYL GROUP HAS 1 TO 12 CARBONS, AND A NAPHTHENIC ACID DISSOLVED IN A MINOR PROPORTION OF AN ALKYL PHENOL IN WHICH THE ALKYL GROUP HAS 1 TO 12 CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |