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US2750307A Expired / Lapsed US ⏱️ 0.0 years remaining

Inhibition of moisture transmission through rigid pervious media

Assignee: EIDP Inc
•
Filing: 1953-10-12
•
Granted: 1956-06-12
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Expires: 1973-10-12
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Abstract

No abstract record available.

Inventors

  • 👤 Berge Robert W La

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:22
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/49; C04B41/60; C04B41/61; C04B41/62; C04B41/64; C04B2111/00; C04B2111/20; C04B2111/27; Y; Y10; Y10T; Y10T428/00; Y10T428/4935

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 220 words
A METHOD OF RETARDING TRANSMISSION OF WATER AND WATER VAPOR THROUGH POROUS MASONRY NORMALLY PERVIOUS TO WATER AND WATER VAPOR WHICH COMPRISES SUBSTANTIALLY IMPREGNATING EXPOSED PORES OF SAID MASONRY WITHOUT SEALING THEM, WITH A LIQUID COMPOSITION CONSISTING ESSENTIALLY OF AN ACYCLIC POLYMERIC TITANIUM MIXED ESTER AS THE NONVOLATILE PORTION, SAID ESTER BEING A CHAIN OF ALTERNATING TITANIUM AND OXYGEN ATOMS WITH HYDROPHOBIC SUBSTITUENT A ATTACHED TO TITANIUM ATOMS IN THE PROPORTION OF AT LEAST .5 SUBSTITUENT A PER TITANIUM ATOM, WHERE SUBSTITUENT A IS A RESIDUAL RADICAL OF AN OXYGENATED ORGANIC COMPOUND OF 8 TO 24 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS AND ALIPHATIC MONOHYDRIC ALCHOLS, MINUS HYDROGEN OF THE RESPECTIVE FUNCTIONAL GROUPS, THE REMAINING TITANIUM LINKAGES BEING SATISFIED WITH-OR RADICALS, WHERE R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS, THE HYDROCARBON RADICAL BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, COCYLOALKY, ARYL AND ARALKYL RADICALS HAVING NO MORE THAN 8 CARBON ATOMS, AND THE RATIO OF -OH RADICALS BEING NOT GREATER THAN ABOUT ONE PER TITANIUM ATOM, SAID LIQUID COMPOSITION BEING ADEQUATELY LOW IN VISCOSITY FOR PENETRATION INTO SAID EXPOSED PORES OF SAID MASONRY TO DEPOSIT SAID POLYMERIC TITANIUM ESTER IN SAID PORES AFTER VOLATILIZATION OF THE SOLVENT AND DILUENTS WITHOUT ANY SUBSTANTIAL QUANTITY REMAINING ON THE SURFACE.
Claim 2
Independent Claim 220 words
A METHOD OF RETARDING TRANSMISSION OF WATER AND WATER VAPOR THROUGH POROUS MASONRY NORMALLY PERVIOUS TO WATER AND WATER VAPOR WHICH COMPRISES SUBSTANTIALLY IMPREGNATING EXPOSED PORES OF SAID MASONRY WITHOUT SEALING THEM, WITH A LIQUID COMPOSITION CONSISTING ESSENTIALLY OF AN ACYCLIC POLYMERIC TITANIUM MIXED ESTER AS THE NONVOLATILE PORTION, SAID ESTER BEING A CHAIN OF ALTERNATING TITANIUM AND OXYGEN ATOMS WITH HYDROPHOBIC SUBSTITUENT A ATTACHED TO TITANIUM ATOMS IN THE PROPORTION OF AT LEAST .5 SUBSTITUENT A PER TITANIUM ATOM, WHERE SUBSTITUENT A IS A RESIDUAL RADICAL OF AN OXYGENATED ORGANIC COMPOUND OF 8 TO 24 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC MONOCARBOXYLIC ACIDS AND ALIPHATIC MONOHYDRIC ALCHOLS, MINUS HYDROGEN OF THE RESPECTIVE FUNCTIONAL GROUPS, THE REMAINING TITANIUM LINKAGES BEING SATISFIED WITH-OR RADICALS, WHERE R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBON RADICALS, THE HYDROCARBON RADICAL BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, COCYLOALKY, ARYL AND ARALKYL RADICALS HAVING NO MORE THAN 8 CARBON ATOMS, AND THE RATIO OF -OH RADICALS BEING NOT GREATER THAN ABOUT ONE PER TITANIUM ATOM, SAID LIQUID COMPOSITION BEING ADEQUATELY LOW IN VISCOSITY FOR PENETRATION INTO SAID EXPOSED PORES OF SAID MASONRY TO DEPOSIT SAID POLYMERIC TITANIUM ESTER IN SAID PORES AFTER VOLATILIZATION OF THE SOLVENT AND DILUENTS WITHOUT ANY SUBSTANTIAL QUANTITY REMAINING ON THE SURFACE.

References Cited (Backward Citations)

US2557786A Cited
US2621193A Cited
US2621194A Cited
US2621195A Cited
US2680723A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-06-12 1959-12-12 1960-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-06-12 1963-12-12 1964-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-06-12 1967-12-12 1968-06-12 $7700.00 Window Closed / Lapsed

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