US3192300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of improving deformability of cellular bodies
Assignee: Lonza AG
•
Filing: 1963-03-11
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Granted: 1965-06-29
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Pehn Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:26
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; Y; Y10; Y10S; Y10S264/00; Y10S264/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF MAKING A CLOSED CELL, HARD AND BRITTLE CELLULAR BODY DEFORMABLE, SAID BODY CONSISTING ESSENTIALLY OF POLYVINYLCHLORIDE CONTAINING A HARDENED SYNTHETIC PLASTIC MATERIAL, COMPRISING THE STEP OF APPLYING TO AT LEAST THE MAJOR PORTION OF THE SURFACE OF SAID BODY A SWELLING AGENT FOR POLYVINYLCHLORIDE AT A TEMPERATURE SUFFICIENTLY LOW SO AS NOT TO AFFECT THE CELL STRUCTURE OF SAID CELLULAR BODY; ALLOWING SAID SWELLING AGENT TO DIFFUSE INTO THE INTERIOR OF SAID BODY SO AS TO BE SUBSTANTIALLY EVENLY DISTRIBUTED THERETHROUGH; AND REMOVING THE MAJOR PORTION OF SAID SWELLING AGENT FROM SAID BODY.
Claim 2
Independent Claim
96 words
A METHOD OF MAKING A CLOSED CELL, HARD AND BRITTLE CELLULAR BODY DEFORMABLE, SAID BODY CONSISTING ESSENTIALLY OF POLYVINYLCHLORIDE CONTAINING A HARDENED SYNTHETIC PLASTIC MATERIAL, COMPRISING THE STEP OF APPLYING TO AT LEAST THE MAJOR PORTION OF THE SURFACE OF SAID BODY A SWELLING AGENT FOR POLYVINYLCHLORIDE AT A TEMPERATURE SUFFICIENTLY LOW SO AS NOT TO AFFECT THE CELL STRUCTURE OF SAID CELLULAR BODY; ALLOWING SAID SWELLING AGENT TO DIFFUSE INTO THE INTERIOR OF SAID BODY SO AS TO BE SUBSTANTIALLY EVENLY DISTRIBUTED THERETHROUGH; AND REMOVING THE MAJOR PORTION OF SAID SWELLING AGENT FROM SAID BODY.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |