Patent US3407187A successfully refreshed from Google Patents.
US3407187A
Expired / Lapsed
US
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Antistatic agents
Assignee: Wyeth Holdings LLC
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Filing: 1965-09-01
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Granted: 1968-10-22
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Savides Christos
- 👤 Milks John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/19; Y; Y10; Y10S; Y10S524/00; Y10S524/91; Y10S524/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A POLYMERIC COMPOSITION HAVING IMPROVED ANTISTATIC PROPERTIES COMPRISING (A) AS THE POLYMERIC SUBSTRATE A POLYOLEFIN, A VINYL CHLORIDE POLYMER, A STYRENE POLYMER OR A POLYACRYLATE, AND (B) FROM 0.1 TO 5% BASED ON THE WEIGHT OF (A) OF A QUATERNARY COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
44 words
A POLYMERIC COMPOSITION HAVING IMPROVED ANTISTATIC PROPERTIES COMPRISING (A) AS THE POLYMERIC SUBSTRATE A POLYOLEFIN, A VINYL CHLORIDE POLYMER, A STYRENE POLYMER OR A POLYACRYLATE, AND (B) FROM 0.1 TO 5% BASED ON THE WEIGHT OF (A) OF A QUATERNARY COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |