Patent US4733181A successfully refreshed from Google Patents.
Patent US2845689A successfully refreshed from Google Patents.
US2845689A
Expired / Lapsed
US
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Warp size containing dicyandiamide and a polyacrylate salt
Assignee: Wyeth Holdings LLC
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Filing: 1954-07-06
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Granted: 1958-08-05
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Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Renold Adolph
- 👤 Jr William J Van Loo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:21
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T442/00; Y10T442/30; Y10T442/3049
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMPOSITION OF MATTER WHICH COMPRISES A SUBSTANTIALLY NONACIDIC TEXTILE WARP SIZING MATERIAL CAPABLE OF EXHIBITING A PH OF AT LEAST 4.0 WHEN IN THE FORM OF A 10 PERCENT AQUEOUS SOLUTION, DICYANDIAMIDE AND A PRODUCT SELF-DISPERSIBLE IN WATER AND HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 10,000 OF THE REACTION OF A MONOVALENT BASE HAVING A DISSOCIATION CONSTANT OF AT LEAST 1.8 X 10**-5 WITH A POLYMER OF A COMPOUND OF THE GROUP CONSISTING OF ACRYLIC ACID, ACRYLONITRILE, ACRYLAMIDE AND LOWER ALKYL ACRYLATES.
Claim 2
Dependent Claim
85 words
A COMPOSITION OF MATTER WHICH COMPRISES A SUBSTANTIALLY NONACIDIC TEXTILE WARP SIZING MATERIAL CAPABLE OF EXHIBITING A PH OF AT LEAST 4.0 WHEN IN THE FORM OF A 10 PERCENT AQUEOUS SOLUTION, DICYANDIAMIDE AND A PRODUCT SELF-DISPERSIBLE IN WATER AND HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 10,000 OF THE REACTION OF A MONOVALENT BASE HAVING A DISSOCIATION CONSTANT OF AT LEAST 1.8 X 10**-5 WITH A POLYMER OF A COMPOUND OF THE GROUP CONSISTING OF ACRYLIC ACID, ACRYLONITRILE, ACRYLAMIDE AND LOWER ALKYL ACRYLATES.
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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |