Patent US6018619A successfully refreshed from Google Patents.
Patent US2662872A successfully refreshed from Google Patents.
US2662872A
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Modified methylol melamines and process of making and using same
Assignee: Dan River Mills Inc
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Filing: 1950-10-02
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Granted: 1953-12-15
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Expires: 1970-10-02
Abstract
No abstract record available.
Inventors
- 👤 Dmitry M Gagarine
- 👤 Jr William B Smith
- 👤 Myrtle J Spangler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:04
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34; C08G12/36; C08G12/38; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A WATER-SOLUBLE, THERMOSETTING, SYNTHETIC RESIN FORMING MATERIAL, CONSISTING OF THE REACTION PRODUCT OF 1 MOL OF HEXAMETHYLOL, METHYLATED MELAMINE AND 3 TO 4 MOLS OF UREA, SAID RESIN FORMING MATERIAL BEING ADAPTED TO BE APPLIED TO TEXTILE FABRICS FOR INCREASING THE CREASE-RESISTANCE THEREOF WHILE RETAINING THE NECESSARY TEAR STRENGTH OF THE FABRIC.
Claim 2
Dependent Claim
44 words
A NON-FREE UREA CONTAINING WATER-SOLUBLE, THERMOSETTING, MONOMERIC, SYNTHETIC RESIN FORMING MATERIAL, CONSISTING OF THE REACTION PRODUCT OF 1 MOL OF DIMETHYL ETHER OF TRIMETHYLOL MELAMINE, 3 MOLS OF FORMALDEHYDE, AND 3 T 4 MOLS OF UREA, SAID RESIN FORMING MATERIAL BEING ADAPTED TO BE
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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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |