Patent US3607334A successfully refreshed from Google Patents.
US3607334A
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Compositions containing asphalt and second pass foots oil
Assignee: Atlantic Richfield Co
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Filing: 1968-04-29
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Granted: 1971-09-21
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Expires: 1988-04-29
Abstract
Abstract Asphaltic compositions are prepared which are suitable for use as felt saturants or as materials which may be airblown to suitable softening point and penetration for use as roofing material. These compositions comprise a major amount of asphalt and a minor amount of a second pass foots oil derived from a heavy lube distillate.
Inventors
- 👤 Eugene M Fauber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:39
CPC Classifications
E; E04; E04D; E04D5/00; E04D5/02; C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
24 words
The composition of claim 1, wherein said second pass foots oil has a softening point in the range of about 105* F. to 115*F.
Claim 2
Dependent Claim
39 words
The composition of claim 2, wherein said composition is capable of being airblown to a softening point in the range of about 210* F. to 240* F. and a needle penetration at 77* F. of about 14 to 20.
Claim 3
Dependent Claim
27 words
The composition of claim 3, wherein said composition is capable of being airblown to a softening point in the range of about 220* F. to 230* F.
Claim 4
Dependent Claim
31 words
The composition of claim 4, wherein said second pass foots oil is present in an amount in the range of about 1 percent to 10 percent by weight of said asphalt.
Claim 5
Dependent Claim
137 words
An asphaltic composition having a softening point of about 210* F. to 240* F. and a needle penetration at 77* F. of about 14 to 20, said composition consisting essentially of an airblown mixture of a major amount of asphalt and between about 1 percent and 20 percent by weight of said asphalt of a second pass foots oil, said asphalt having a softening point in the range of about 105* F. to 115* F., and derived from a slack wax removed from m heavy lube distillate oil having an API gravity of about 22.5 to 24.5, and comprising about 55 percent to 65 percent by weight of n-paraffins, about 0 percent to 4 percent by weight of isoparaffins, less than about 1 percent by weight of aromatics and about 30 percent to 45 percent of naphthenes.
Claim 6
Dependent Claim
25 words
The composition of claim 6, wherein said second pass foots oil has a softening point within the range of about 105* F. to 115* F.
Claim 7
Dependent Claim
17 words
The composition of claim 7, wherein said composition has a softening point of about 220*F. to 230*20F
Claim 8
Dependent Claim
28 words
The composition of claim 8, wherein said second pass foots oil is present in an amount of about 1 percent to 10 percent by weight of said asphalt.
Claim 9
Dependent Claim
26 words
The composition of claim 6, wherein prior to being airblown said mixture has a softening point in the range of about 105* F. to 115* F.
References Cited (Backward Citations)
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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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |