US2833669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying deodorising, disinfecting, fungicidal and bactericidal substances to carriers and in particular fibrous carrier substances
Assignee: Hakle-Werke Hans Klenk
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Filing: 1955-10-21
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Granted: 1958-05-06
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Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:12
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/15; A; A01; A01N; A01N25/00; A01N25/34; A61; A61L; A61L2/00; A61L2/16; A61L2/18; D; D21; D21H; D21H21/00; D21H21/14; D21H21/36; A01N2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A METHOD OF APPLYING SUBSTANCES CHEMICALLY ACTIVE AGAINST MICROORGANISMS COMPRISING AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP OF DEODORIZING, DISINFECTING, FUNGICIDAL AND BACTERICIDAL SUBSTANCES TO THE SURFACES OF A CARRIER WEB OF PAPER-TYPE FIBROUS MATERIAL IN SUCH A MANNER THAT SAID SUBSTANCES REMAIN SEPARABLE FROM THE WEB SURFACE BY LIGHT RUBBING, COMPRISING THE STEPS OF PREPARING A MIXTURE OF AT LEAST ONE OF SAID CHEMICALLY ACTIVE SUBSTANCES IN AN AGENT HAVING AFFINITY TO THE FIBROUS MATERIAL FROM WHICH SAID CARRIER WEB IS MADE, ADDING THERETO A FINISHING GLUE ADHERING TO THE SURFACE, BUT NON-PENETRATING INTO THE INTERIOR OF SAID WEB, AND A WETTING AGENT, HOMOGENIZING SAID MIXTURE TO FORM AN EMULSION THEREFROM, SWELLING SAID CARRIER WEB BY MOISTENING THE SAME, MOVING SAID WEB AND APPLYING THEREON CONTINUOUSLY SAID EMULSION SO AS TO DISTRIBUTE THE SAME EVENLY THEREON AS A DOUGHLIKE CHEMICALLY ACTIVE LAYER, APPLYING PRESSURE TO SAID LAYER ON SAID SWELLED WEB, THEREBY CAUSING THE LAYER TO CLOSE THE PORES IN SAID WEB, AND SUBSEQUENTLY DRYING SAID WEB AND LAYER TO FORM A SURFACE FILM CONTAINING SAID CHEMICALLY ACTIVE SUBSTANCES ON SAID WEB, WHICH FILM CAN EASILY BE RUBBED OFF.
Claim 2
Independent Claim
191 words
A METHOD OF APPLYING SUBSTANCES CHEMICALLY ACTIVE AGAINST MICROORGANISMS COMPRISING AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP OF DEODORIZING, DISINFECTING, FUNGICIDAL AND BACTERICIDAL SUBSTANCES TO THE SURFACES OF A CARRIER WEB OF PAPER-TYPE FIBROUS MATERIAL IN SUCH A MANNER THAT SAID SUBSTANCES REMAIN SEPARABLE FROM THE WEB SURFACE BY LIGHT RUBBING, COMPRISING THE STEPS OF PREPARING A MIXTURE OF AT LEAST ONE OF SAID CHEMICALLY ACTIVE SUBSTANCES IN AN AGENT HAVING AFFINITY TO THE FIBROUS MATERIAL FROM WHICH SAID CARRIER WEB IS MADE, ADDING THERETO A FINISHING GLUE ADHERING TO THE SURFACE, BUT NON-PENETRATING INTO THE INTERIOR OF SAID WEB, AND A WETTING AGENT, HOMOGENIZING SAID MIXTURE TO FORM AN EMULSION THEREFROM, SWELLING SAID CARRIER WEB BY MOISTENING THE SAME, MOVING SAID WEB AND APPLYING THEREON CONTINUOUSLY SAID EMULSION SO AS TO DISTRIBUTE THE SAME EVENLY THEREON AS A DOUGHLIKE CHEMICALLY ACTIVE LAYER, APPLYING PRESSURE TO SAID LAYER ON SAID SWELLED WEB, THEREBY CAUSING THE LAYER TO CLOSE THE PORES IN SAID WEB, AND SUBSEQUENTLY DRYING SAID WEB AND LAYER TO FORM A SURFACE FILM CONTAINING SAID CHEMICALLY ACTIVE SUBSTANCES ON SAID WEB, WHICH FILM CAN EASILY BE RUBBED OFF.
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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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |