US3801675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer blend containing polyacrylic acid,polyvinyl alcohol,and a polyacrylate
Assignee: Johnson and Johnson
•
Filing: 1972-05-01
•
Granted: 1974-04-02
•
Expires: 1992-05-01
Abstract
Abstract ABSORBENT PRODUCT OF IMPROVED RESISTANCE TO DISCOLORATION AND BLOCKING ON STERILIZATION. THE PRODUCT COMPRISES A NONWOVEN FABRIC TREATED WITH A POLYCARBOXYLIC ACID, A POLYVINYL ALCOHOL AND AN ACRYLIC ACID POLYMER, SUCH AS A POLYACRYLATE.
Inventors
- 👤 G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:36
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/08; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; C08L29/00; C08L29/02; C08L29/04; C08L33/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |