Patent US3044972A successfully refreshed from Google Patents.
US3044972A
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Thermoplastic composition comprising a styrene polymer and a graft copolymer
Assignee: Wyeth Holdings LLC
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Filing: 1959-03-11
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Granted: 1962-07-17
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Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Nicholas R Segro
- 👤 Hodes William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:32
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08F; C08F251/00; C08F251/02; C08L51/00; C08L51/003; C08L51/02; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A THERMOPLASTIC COMPOSITION POSSESSING INCREASED IMPACT STRENGTH COMPRISING A HOMOGENEOUS BLEND OF FROM ABOUT 50 TO 90 PARTS BY WEIGHT OF (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) A HOMOPOLYMER OF A COMPOUND REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
41 words
A THERMOPLASTIC COMPOSITION POSSESSING INCREASED IMPACT STRENGTH COMPRISING A HOMOGENEOUS BLEND OF FROM ABOUT 50 TO 90 PARTS BY WEIGHT OF (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) A HOMOPOLYMER OF A COMPOUND REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
US2922768A
Cited
US2889308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |