Patent US2038292A successfully refreshed from Google Patents.
Patent US3703197A successfully refreshed from Google Patents.
US3703197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet backing
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1971-05-13
•
Granted: 1972-11-21
•
Expires: 1991-05-13
Abstract
Abstract A woven polypropylene ribbon carpet backing is provided having a special coating consisting essentially of 18 - 23 parts of butyl rubber, 6 - 8 parts of polyoxyethylene lauryl alcohol, up to 1 5 parts stearate lubricant, up to 2 parts polyethylene glycol and 5 - 6 parts of calcium carbonate.
Inventors
- 👤 Lee F Samler
- 👤 John J Boone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:29
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D05C17/023; D06; D06M; D06M15/00; D06M15/693; D10; D10B; D10B2321/00; D10B2321/02; D10B2321/022; Y; Y10; Y10S; Y10S524/00; Y10S524/915; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T442/00; Y10T442/20; Y10T442/2311; Y10T442/2369; Y10T442/2385; Y10T442/30; Y10T442/3033; Y10T442/3041
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
85 words
A primary carpet backing of improved properties comprising a woven polypropylene ribbon fabric having a coating thereon consisting essentially of 18 - 23 parts by weight butyl rubber, 6 - 8 parts by weight polyoxyethylene lauryl alcohol, 0 - 1.5 parts by weight lithium stearate, 0 - 2 parts by weight polyethylene glycol and 5 - 6 parts by weight calcium carbonate, said coating being present on said polypropylene fabric in a quantity of about 0.25 to 0.35 ounce per square yard of said fabric.
Claim 2
Dependent Claim
85 words
A primary carpet backing of improved properties comprising a woven polypropylene ribbon fabric having a coating thereon consisting essentially of 18 - 23 parts by weight butyl rubber, 6 - 8 parts by weight polyoxyethylene lauryl alcohol, 0 - 1.5 parts by weight lithium stearate, 0 - 2 parts by weight polyethylene glycol and 5 - 6 parts by weight calcium carbonate, said coating being present on said polypropylene fabric in a quantity of about 0.25 to 0.35 ounce per square yard of said fabric.
Claim 3
Dependent Claim
30 words
A primary carpet backing in accordance with claim 1 wherein said coating is present on said fabric in a quantity of about 0.3 ounce per square yard of said fabric.
Claim 4
Dependent Claim
26 words
A carpet backing in accordance with claim 1 wherein said coating is applied to said fabric from an aqueous emulsion containing 32 - 40 percent solids.
References Cited (Backward Citations)
US2754239A
Cited
US2955094A
Cited
US2973309A
Cited
US2963462A
Cited
US3022260A
Cited
US3243390A
Cited
US3324067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |