US3055865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing film-forming compositions
Assignee: Lubrizol Corp
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Filing: 1960-08-22
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Granted: 1962-09-25
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Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Willis G Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:23
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/02; C23C22/03; C08; C08F; C08F8/00; C08F8/40; C09; C09D; C09D129/00; C09D129/02; C09D129/06; C09D129/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE PROCESS OF PREPARING A FILM-FORMING COMPOSITION COMPRISING MIXING ONE MOLE OF PHOSPHORUS PENTOXIDE, FROM ABOUT 0.2 TO ABOUT 12.5 MOLES OF COPOLYMER OF ALLYL ALCOHOL AND A STYRENE, AND FROM ABOUT 0.3 TO ABOUT 5.0 MOLES OF A ALKYL PHENOL, AND HEATING SAID MIXTURE AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 75*C. TO ABOUT 150*C.
Claim 2
Dependent Claim
58 words
THE PROCESS OF PREPARING A FILM-FORMING COMPOSITION COMPRISING MIXING ONE MOLE OF PHOSPHORUS PENTOXIDE, FROM ABOUT 0.2 TO ABOUT 12.5 MOLES OF COPOLYMER OF ALLYL ALCOHOL AND A STYRENE, AND FROM ABOUT 0.3 TO ABOUT 5.0 MOLES OF A ALKYL PHENOL, AND HEATING SAID MIXTURE AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 75*C. TO ABOUT 150*C.
References Cited (Backward Citations)
US2005619A
Cited
US2894938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |