US2597708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic agent, treatment of shaped articles therewith, and treated articles
Assignee: Wyeth Holdings LLC
•
Filing: 1948-12-30
•
Granted: 1952-05-20
•
Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 Cresswell Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:50
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/31; D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; D06M13/244; D06M13/248; D06M13/256; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A TEXTILE-TREATING AGENT COMPRISING AN AQUEOUS DISPERSION OF (1) A GUANIDINE SALT OF A MONOALKYL ESTER OF SULFURIC ACID, THE ALKYL GROUPING OF WHICH CONTAINS FROM 12 TO 18 CARBON ATOMS, INCLUSIVE, AND (2) A TEXTILE LUBRICANT CONSISTING OF A LOWER ALKYL ESTER OF A LONG-CHAIN FATTY ACID THAT CONTAINS FROM 12 TO 18 CARBON ATOMS, INCLUSIVE, SAID ESTER CONTAINING FROM 2 TO 5 CARBON ATOMS, INCLUSIVE, IN THE ALKYL GROUPING THEREOF.
Claim 2
Dependent Claim
72 words
A TEXTILE-TREATING AGENT COMPRISING AN AQUEOUS DISPERSION OF (1) A GUANIDINE SALT OF A MONOALKYL ESTER OF SULFURIC ACID, THE ALKYL GROUPING OF WHICH CONTAINS FROM 12 TO 18 CARBON ATOMS, INCLUSIVE, AND (2) A TEXTILE LUBRICANT CONSISTING OF A LOWER ALKYL ESTER OF A LONG-CHAIN FATTY ACID THAT CONTAINS FROM 12 TO 18 CARBON ATOMS, INCLUSIVE, SAID ESTER CONTAINING FROM 2 TO 5 CARBON ATOMS, INCLUSIVE, IN THE ALKYL GROUPING THEREOF.
References Cited (Backward Citations)
GB421862A
Cited
US2079788A
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US2176402A
Cited
US2286364A
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US2320225A
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US2403960A
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US2427242A
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US2464247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |