PPG Industries Inc
PPG IndustActive Patents
0
Total Holdings
109
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE2715566A1 | Polyurethane free from ether linkages - used for glazing or… | Expired / Lapsed | 1977-04-07 | — | 0 | Details |
| US4467081A | Gelable, silicate rich resins from hydrophobic polyols and … | Expired / Lapsed | 1983-01-31 | 1984-08-21 | 20 | Details |
| US4347984A | Electrostatic spray coating apparatus | Expired / Lapsed | 1977-07-12 | 1982-09-07 | 28 | Details |
| US4336119A | Method of and apparatus for control of reactive sputtering … | Expired / Lapsed | 1981-01-29 | 1982-06-22 | 18 | Details |
| US4277535A | Modified phenolic aldehyde resin to produce an improved adh… | Expired / Lapsed | 1979-06-08 | 1981-07-07 | 17 | Details |
| US4227979A | Radiation-curable coating compositions containing amide acr… | Expired / Lapsed | 1977-10-05 | 1980-10-14 | 34 | Details |
| US4174241A | Simultaneously laminating and press polishing plastic lamin… | Expired / Lapsed | 1978-07-21 | 1979-11-13 | 12 | Details |
| US4170539A | Diaphragm having zirconium oxide and a hydrophilic fluoroca… | Expired / Lapsed | 1978-10-20 | 1979-10-09 | 12 | Details |
| US4103070A | Safety glass laminates with aliphatic/cycloaliphatic polyca… | Expired / Lapsed | 1977-02-11 | 1978-07-25 | 4 | Details |
| US4093673A | Coating compositions composed of hydroxyfunctional polymers… | Expired / Lapsed | 1974-11-14 | 1978-06-06 | 39 | Details |
| US4065415A | Water-based coatings with improved sagging and popping char… | Expired / Lapsed | 1975-10-01 | 1977-12-27 | 15 | Details |
| US4040888A | Apparatus for prepressing transparent laminated assemblies | Expired / Lapsed | 1975-10-01 | 1977-08-09 | 7 | Details |
| US4024113A | Polycarbonate polyurethanes based on particular aliphatic/c… | Expired / Lapsed | 1976-04-28 | 1977-05-17 | 19 | Details |
| US3962488A | Electrically conductive coating | Expired / Lapsed | 1974-08-09 | 1976-06-08 | 9 | Details |
| US3937679A | Electrodepositable compositions | Expired / Lapsed | 1972-08-04 | 1976-02-10 | 25 | Details |
| US3933552A | Preparing transparent assemblies for lamination | Expired / Lapsed | 1974-07-10 | 1976-01-20 | 11 | Details |
| US3923533A | Thermally stable and crush resistant microporous glass cata… | Expired / Lapsed | 1974-03-01 | 1975-12-02 | 16 | Details |
| US3920595A | High solids alkyd coating compositions | Expired / Lapsed | 1974-04-10 | 1975-11-18 | 21 | Details |
| US3853721A | Process for electrolysing brine | Expired / Lapsed | 1972-10-24 | 1974-12-10 | 12 | Details |
| US3808077A | Method for laminating plastic to glass employing glass mold | Expired / Lapsed | 1971-09-16 | 1974-04-30 | 13 | Details |
| US3672939A | Electroless process for forming thin metal films | Expired / Lapsed | 1969-06-02 | 1972-06-27 | 0 | Details |
| US3671291A | Electroless process for forming thin metal films | Expired / Lapsed | 1969-06-02 | 1972-06-20 | 0 | Details |
| US3625792A | Fabricating glass-plastic windows | Expired / Lapsed | 1970-04-27 | 1971-12-07 | 14 | Details |
| US3522142A | Glass laminated with silicon-containing polyurethane | Expired / Lapsed | 1965-02-24 | 1970-07-28 | 0 | Details |
| US3509015A | Glass laminated with polyurethane | Expired / Lapsed | 1965-02-24 | 1970-04-28 | 0 | Details |
| US3505160A | Laminated safety glass | Expired / Lapsed | 1965-10-18 | 1970-04-07 | 0 | Details |
| US3484583A | Combination of electrically heated transparent window and a… | Expired / Lapsed | 1968-07-23 | 1969-12-16 | 0 | Details |
| US3471386A | Highly radiation-sensitive telomerized polyamides | Expired / Lapsed | 1966-05-18 | 1969-10-07 | 0 | Details |
| US3459585A | Novel reaction product and use thereof as a glass fiber size | Expired / Lapsed | 1966-12-05 | 1969-08-05 | 0 | Details |
| US3459615A | Process for preparing reinforcing fabric for elastomeric pr… | Expired / Lapsed | 1966-01-26 | 1969-08-05 | 0 | Details |
| US3449228A | Aqueous compositions adapted for electrodeposition | Expired / Lapsed | 1965-04-01 | 1969-06-10 | 0 | Details |
| US3448066A | Air-drying unsaturated polyester resins prepared from a pol… | Expired / Lapsed | 1966-11-17 | 1969-06-03 | 0 | Details |
| US3357876A | Method of strengthening a glass article by ion exchange | Expired / Lapsed | 1965-01-19 | 1967-12-12 | 2 | Details |
| US3248414A | Method of preparing high molecular weight polycarbonates | Expired / Lapsed | 1963-01-16 | 1966-04-26 | 2 | Details |
| US3234062A | Laminating techniques | Expired / Lapsed | 1961-10-23 | 1966-02-08 | 1 | Details |
| US3202043A | Method and apparatus for photoelectrically inspecting glass | Expired / Lapsed | 1964-10-02 | 1965-08-24 | 2 | Details |
| US3147518A | Panel support | Expired / Lapsed | 1960-01-13 | 1964-09-08 | 2 | Details |
| US3004875A | Coating glass sheets | Expired / Lapsed | 1957-11-22 | 1961-10-17 | 2 | Details |
| US3002937A | Polyester - urethane foam containing synthetic detergent an… | Expired / Lapsed | 1955-01-25 | 1961-10-03 | 1 | Details |
| US2994369A | Nickel plating chemical composition | Expired / Lapsed | 1959-04-02 | 1961-08-01 | 2 | Details |
| US2977292A | Process of treating metal halides | Expired / Lapsed | 1957-07-23 | 1961-03-28 | 2 | Details |
| US2948645A | Method for pressing laminated glass | Expired / Lapsed | 1955-08-19 | 1960-08-09 | 2 | Details |
| US2940945A | Resinous compositions comprising an aldehyde-modified amide… | Expired / Lapsed | 1957-02-13 | 1960-06-14 | 2 | Details |
| US2882377A | Electrical resistor metal coatings on refractory materials | Expired / Lapsed | 1951-10-24 | 1959-04-14 | 0 | Details |
| US2859199A | Polymerizable mixture of styrene and a polyester reaction p… | Expired / Lapsed | 1953-04-06 | 1958-11-04 | 1 | Details |
| US2777044A | Electrical heating device | Expired / Lapsed | 1953-07-08 | 1957-01-08 | 0 | Details |
| US2745284A | Glass radiometer | Expired / Lapsed | 1952-02-20 | 1956-05-15 | 0 | Details |
| US2692654A | Impingement-strainer combination air filter | Expired / Lapsed | 1953-03-12 | 1954-10-26 | 0 | Details |
| US2689803A | Method of producing a film of uniform electroconductivity o… | Expired / Lapsed | 1951-11-03 | 1954-09-21 | 1 | Details |
| US2683666A | Opalescent ivory-colored glass | Expired / Lapsed | 1951-09-26 | 1954-07-13 | 2 | Details |
| US2673822A | Preliminary pressing of bent laminated glass | Expired / Lapsed | 1951-08-08 | 1954-03-30 | 2 | Details |
| US2648753A | Transparent conducting films | Expired / Lapsed | 1951-12-15 | 1953-08-11 | 2 | Details |
| US2648754A | Electroconductive article | Expired / Lapsed | 1947-07-22 | 1953-08-11 | 4 | Details |
| US2617741A | Electroconductive article and production thereof | Expired / Lapsed | 1951-12-19 | 1952-11-11 | 1 | Details |
| US2614944A | Method of applying electroconductive films | Expired / Lapsed | 1947-07-22 | 1952-10-21 | 2 | Details |
| US2576408A | Rotary brush | Expired / Lapsed | 1945-04-05 | 1951-11-27 | 0 | Details |
| US2570245A | Method of spraying transparent coatings | Expired / Lapsed | 1948-04-02 | 1951-10-09 | 1 | Details |
| US2569773A | Electroconductive article | Expired / Lapsed | 1948-11-20 | 1951-10-02 | 0 | Details |
| US2559969A | Method of applying a masking composition to a glass base | Expired / Lapsed | 1950-02-16 | 1951-07-10 | 2 | Details |
| US2557983A | Transparent electroconductive article | Expired / Lapsed | 1949-03-22 | 1951-06-26 | 0 | Details |
| US2470509A | Method of making heated window glass | Expired / Lapsed | 1945-05-02 | 1949-05-17 | 0 | Details |
| US2445691A | Preparation of titanium dioxide | Expired / Lapsed | 1944-05-24 | 1948-07-20 | 0 | Details |
| US2394642A | Silicic acid esters | Expired / Lapsed | 1942-11-25 | 1946-02-12 | 0 | Details |
| US2379263A | Apparatus for determining the flatness of glass plates | Expired / Lapsed | 1943-11-19 | 1945-06-26 | 0 | Details |
| US2379248A | Method of preparing curved sheets of polymeric material | Expired / Lapsed | 1942-05-29 | 1945-06-26 | 0 | Details |
| US2370588A | Organic percarbonates | Expired / Lapsed | 1942-10-22 | 1945-02-27 | 0 | Details |
| US2370574A | Unsaturated esters and polymers thereof | Expired / Lapsed | 1941-12-27 | 1945-02-27 | 0 | Details |
| US2370562A | Method of preparing a coated resin product | Expired / Lapsed | 1941-05-06 | 1945-02-27 | 0 | Details |
| US2370565A | Polybasic acid-polyhydric alcohol esters and polymers there… | Expired / Lapsed | 1940-10-15 | 1945-02-27 | 0 | Details |
| US2361049A | Glass cutter | Expired / Lapsed | 1942-10-01 | 1944-10-24 | 0 | Details |
| US2359163A | Structure for glazing units | Expired / Lapsed | 1942-03-19 | 1944-09-26 | 0 | Details |
| US2356841A | Filament cutting apparatus | Expired / Lapsed | 1943-08-19 | 1944-08-29 | 0 | Details |
| US2340483A | Tray | Expired / Lapsed | 1942-03-19 | 1944-02-01 | 0 | Details |
| US2335376A | Process of manufacturing multiple glazed units | Expired / Lapsed | 1941-02-27 | 1943-11-30 | 0 | Details |
| US2335390A | Contour exploring instrument | Expired / Lapsed | 1940-08-03 | 1943-11-30 | 0 | Details |
| US2322310A | Transparent barrier for vehicles | Expired / Lapsed | 1940-02-08 | 1943-06-22 | 0 | Details |
| US2320533A | Artificial glass | Expired / Lapsed | 1940-02-08 | 1943-06-01 | 0 | Details |
| US2318959A | Artificial glass | Expired / Lapsed | 1940-04-04 | 1943-05-11 | 0 | Details |
| US2317891A | Waterproof adhesive composition | Expired / Lapsed | 1939-06-09 | 1943-04-27 | 0 | Details |
| US2306310A | Method of making cellular glass blocks | Expired / Lapsed | 1941-05-01 | 1942-12-22 | 0 | Details |
| US2306314A | Manufacture of laminated glass | Expired / Lapsed | 1940-12-05 | 1942-12-22 | 0 | Details |
| US2306139A | Polymerization of unsaturated alcohol esters of crotonic ac… | Expired / Lapsed | 1939-02-18 | 1942-12-22 | 0 | Details |
| US2300495A | Mounting of specimens and the like | Expired / Lapsed | 1939-06-13 | 1942-11-03 | 0 | Details |
| US2297346A | Measuring instrument | Expired / Lapsed | 1940-08-03 | 1942-09-29 | 0 | Details |
| US2296823A | Preparation of unsaturated alcohol esters | Expired / Lapsed | 1940-01-27 | 1942-09-22 | 0 | Details |
| US2288465A | Multiglazed window and light screen therefor | Expired / Lapsed | 1940-10-31 | 1942-06-30 | 0 | Details |
| US2278273A | Glass cutting apparatus | Expired / Lapsed | 1941-06-19 | 1942-03-31 | 0 | Details |
| US2274706A | Process of making a light polarizing medium | Expired / Lapsed | 1939-04-11 | 1942-03-03 | 0 | Details |
| US2273891A | Method of polymerizing polymerizable materials containing m… | Expired / Lapsed | 1939-02-18 | 1942-02-24 | 0 | Details |
| US2268269A | Store front construction | Expired / Lapsed | 1939-02-03 | 1941-12-30 | 0 | Details |
| US2264183A | Ornamental tile and process of manufacture thereof | Expired / Lapsed | 1938-11-01 | 1941-11-25 | 0 | Details |
| US2261035A | Pressure relief diaphragm | Expired / Lapsed | 1938-11-10 | 1941-10-28 | 0 | Details |
| US2254072A | Printing process | Expired / Lapsed | 1939-10-05 | 1941-08-26 | 0 | Details |
| US2254062A | Polish meter | Expired / Lapsed | 1938-03-31 | 1941-08-26 | 0 | Details |
| US2239528A | Multiglazed window and light screen therefor | Expired / Lapsed | 1939-01-26 | 1941-04-22 | 0 | Details |
| US2223118A | Absorptive glass | Expired / Lapsed | 1938-03-25 | 1940-11-26 | 0 | Details |
| US2184876A | Safety glass | Expired / Lapsed | 1936-06-03 | 1939-12-26 | 0 | Details |
| US2176997A | Interlayer for safety glass and method of making the same | Expired / Lapsed | 1936-07-28 | 1939-10-24 | 0 | Details |
| US2079715A | Process and batch for making ceramic bodies | Expired / Lapsed | 1933-05-09 | 1937-05-11 | 0 | Details |
| US2062747A | Double glazed window | Expired / Lapsed | 1935-10-05 | 1936-12-01 | 0 | Details |
| US2042819A | Apparatus for cracking scored glass sheets | Expired / Lapsed | 1933-10-06 | 1936-06-02 | 0 | Details |
| US2032016A | Level indicating apparatus | Expired / Lapsed | 1933-05-22 | 1936-02-25 | 0 | Details |
| US2028908A | Polyhydric alcohol-polybasic acidmonobasic aliphatic acid a… | Expired / Lapsed | 1929-06-26 | 1936-01-28 | 0 | Details |
| US1934802A | Moving picture screen and method of making it | Expired / Lapsed | 1930-02-11 | 1933-11-14 | 0 | Details |
| US1734379A | Apparatus for making composite glass | Expired / Lapsed | 1928-02-20 | 1929-11-05 | 0 | Details |
| US1732023A | Process and apparatus for making composite glass | Expired / Lapsed | 1928-02-06 | 1929-10-15 | 0 | Details |
| US1732022A | Process and apparatus for making composite glass | Expired / Lapsed | 1928-02-06 | 1929-10-15 | 0 | Details |
| US1503543A | Glass-thickness gauge | Expired / Lapsed | 1923-08-07 | 1924-08-05 | 0 | Details |
| US1434860A | Mirror construction | Expired / Lapsed | 1921-10-06 | 1922-11-07 | 0 | Details |