Patent US3288073A successfully refreshed from Google Patents.
Patent US3140265A successfully refreshed from Google Patents.
US3140265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous textile and industrial fabrics
Assignee: Rohm and Haas Co
•
Filing: 1959-09-01
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Granted: 1964-07-07
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Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Richter
- 👤 Charles H Mcburney
- 👤 Benjamin B Kine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:13
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/28; D01F6/36; D01F6/38; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10S8/00; Y10S8/04; Y10S8/10; Y10S8/21; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23993; Y10T428/249921; Y10T428/31504; Y10T428/31855; Y10T442/00; Y10T442/30; Y10T442/3976; Y10T442/40; Y10T442/60; Y10T442/696
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AS AN ARTICLE OF MANUFACTURE, A FABRIC COMPRISING INTERLOCKED FIBERS FORMED OF A CROSS-LINKED PRODUCT OF A LINEAR ADDITION POLYMER CONTAINING ONE-HALF TO ABOUT 100 MOLE PERCENT OF POLYMERIZED UNITS HAVING TERTIARY AMINE GROUPS, THE LINEAR POLYMER MOLECULES HAVING FROM ONEHALF TO 30 MOLE PERCENT OF SUCH TERTIARY AMINE GROUPS ALKYLATED WHILE THE LINEAR POLYMER MOLECULES ARE IN FIBER FORM, BY A POLYHALIDE ALKYLATING AGENT HAVING 1 TO 10 CARBON ATOMS IN WHICH THE HALIDE IS SELECTED FROM THE GROUP CONSISTING OF CHLORIDE, BROMIDE, AND IODIDE, IN THE CROSS-LINKED PRODUCT WHEREBY THE LATTER IS RESISTANT TO SHRINKAGE.
Claim 2
Dependent Claim
97 words
AS AN ARTICLE OF MANUFACTURE, A FABRIC COMPRISING INTERLOCKED FIBERS FORMED OF A CROSS-LINKED PRODUCT OF A LINEAR ADDITION POLYMER CONTAINING ONE-HALF TO ABOUT 100 MOLE PERCENT OF POLYMERIZED UNITS HAVING TERTIARY AMINE GROUPS, THE LINEAR POLYMER MOLECULES HAVING FROM ONEHALF TO 30 MOLE PERCENT OF SUCH TERTIARY AMINE GROUPS ALKYLATED WHILE THE LINEAR POLYMER MOLECULES ARE IN FIBER FORM, BY A POLYHALIDE ALKYLATING AGENT HAVING 1 TO 10 CARBON ATOMS IN WHICH THE HALIDE IS SELECTED FROM THE GROUP CONSISTING OF CHLORIDE, BROMIDE, AND IODIDE, IN THE CROSS-LINKED PRODUCT WHEREBY THE LATTER IS RESISTANT TO SHRINKAGE.
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |