US3130249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of dehydrating fibers
Assignee: Wyeth Holdings LLC
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Filing: 1962-06-19
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Granted: 1964-04-21
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Expires: 1982-06-19
Abstract
No abstract record available.
Inventors
- 👤 Wishman Marvin
- 👤 Jack W Preece
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0445; D01D10/02; D01F; D01F6/00; D01F6/02; D01F6/18; D01F6/28; D01F6/38; Y; Y10; Y10S; Y10S260/00; Y10S260/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN THE PROCESS OF PRODUCIANG SHAPED ARTICLES FROM POLYMERIZATION PRODUCTS WHICH INCLUDES THE FORMATION OF A WET UNCOLLAPSED STRUCTURE, AND THE SUBSEQUENT DEHYDRATION OF SUCH STRUCTURE, THE IMPROVEMENT COMPRISING: REDUCING THE MOISTURE CONTENT OF SAID WET UNCOLLAPSED STRUCTURE TO LESS THAN ABOUT 50% WATER; LUBRICATING SAID WET UNCOLLAPSED STRUCTURE WITH A LUBRICANT WHICH WILL NOT DELETERIOUSLY AFFECT SAID STRUCTURE UPON SUBSEQUENT DEHYDRATION AND COLLAPSE THEREOF; DEHYDRATING SAID WET UNCOLLAPSED STRUCTURE WITH THE LUBRICANT THEREON TO PRODUCE A COLLAPSED POLYMER STRUCTURE; AND APPLYING AN ANTI-STATIC AGENT TO SAID COLLAPSED POLYMER STRUCTURE.
Claim 2
Dependent Claim
90 words
IN THE PROCESS OF PRODUCIANG SHAPED ARTICLES FROM POLYMERIZATION PRODUCTS WHICH INCLUDES THE FORMATION OF A WET UNCOLLAPSED STRUCTURE, AND THE SUBSEQUENT DEHYDRATION OF SUCH STRUCTURE, THE IMPROVEMENT COMPRISING: REDUCING THE MOISTURE CONTENT OF SAID WET UNCOLLAPSED STRUCTURE TO LESS THAN ABOUT 50% WATER; LUBRICATING SAID WET UNCOLLAPSED STRUCTURE WITH A LUBRICANT WHICH WILL NOT DELETERIOUSLY AFFECT SAID STRUCTURE UPON SUBSEQUENT DEHYDRATION AND COLLAPSE THEREOF; DEHYDRATING SAID WET UNCOLLAPSED STRUCTURE WITH THE LUBRICANT THEREON TO PRODUCE A COLLAPSED POLYMER STRUCTURE; AND APPLYING AN ANTI-STATIC AGENT TO SAID COLLAPSED POLYMER STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |