Weissenberger; Markus
Patent Applications and Registrations
Patent applications and USPTO patent grants for Weissenberger; Markus.The latest application filed is for "modified sulfuric acid and uses thereof".
Company Profile
25.16.60
- Weissenberger; Markus - Calgary CA
Patent Activity
| Patent | Date |
|---|---|
| Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry Grant 11,447,692 - Purdy , et al. September 20, 2 | 2022-09-20 |
| Modified Sulfuric Acid And Uses Thereof App 20220267150 - PURDY; Clay ; et al. | 2022-08-25 |
| Modified Sulfuric Acid And Uses Thereof App 20220267953 - PURDY; Clay ; et al. | 2022-08-25 |
| Modified Sulfuric Acid And Uses Thereof App 20220267955 - PURDY; Clay ; et al. | 2022-08-25 |
| Modified Sulfuric Acid And Uses Thereof App 20220267952 - PURDY; Clay ; et al. | 2022-08-25 |
| Modified Sulfuric Acid And Uses Thereof App 20220267178 - PURDY; Clay ; et al. | 2022-08-25 |
| Arylsulfonic Acid - Modified Sulfuric Acid And Uses Thereof App 20220267956 - PURDY; Clay ; et al. | 2022-08-25 |
| Modified Sulfuric Acid And Uses Thereof App 20220267954 - PURDY; Clay ; et al. | 2022-08-25 |
| Synthetic caustic composition Grant 11,407,647 - Purdy , et al. August 9, 2 | 2022-08-09 |
| Acidic Cip Compositions App 20220243146 - PURDY; Clay ; et al. | 2022-08-04 |
| Caustic Cleaning Compositions App 20220243145 - PURDY; Clay ; et al. | 2022-08-04 |
| Mud acid composition and methods of using such Grant 11,370,961 - Purdy , et al. June 28, 2 | 2022-06-28 |
| Approach To Biomass Delignification App 20220195664 - PURDY; Clay ; et al. | 2022-06-23 |
| Novel Approach To Biomass Delignification App 20220195665 - PURDY; Clay ; et al. | 2022-06-23 |
| Combination Approach To Delignification Of Biomass Under Ambient Conditions App 20220186434 - PURDY; Clay ; et al. | 2022-06-16 |
| Novel Approach To Biomass Delignification App 20220186436 - PURDY; Clay ; et al. | 2022-06-16 |
| Use Of A 2 Liquid Phase System In Biomass Delignification App 20220186435 - PURDY; Clay ; et al. | 2022-06-16 |
| Novel Approach To Biomass Delignification App 20220170206 - PURDY; Clay ; et al. | 2022-06-02 |
| Synthetic caustic composition Grant 11,319,481 - Purdy , et al. May 3, 2 | 2022-05-03 |
| Organic acid systems Grant 11,319,479 - Purdy , et al. May 3, 2 | 2022-05-03 |
| Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry Grant 11,292,961 - Purdy , et al. April 5, 2 | 2022-04-05 |
| Alkylsulfonic acid compositions Grant 11,293,106 - Purdy , et al. April 5, 2 | 2022-04-05 |
| Mud Acid Composition And Methods Of Using Such App 20220089938 - PURDY; Clay ; et al. | 2022-03-24 |
| Synthetic caustic composition Grant 11,267,718 - Purdy , et al. March 8, 2 | 2022-03-08 |
| Novel Downhole Methods App 20220049156 - Purdy; Clay ; et al. | 2022-02-17 |
| Composition to reduce friction reducer fouling in wellbores Grant 11,248,166 - Purdy , et al. February 15, 2 | 2022-02-15 |
| Process To Manufacture Novel Inhibited Hydrofluoric Acid Composition App 20210388265 - Purdy; Clay ; et al. | 2021-12-16 |
| Stable Nitric Acid Blends And Uses Thereof App 20210380906 - Purdy; Clay ; et al. | 2021-12-09 |
| Methods for stimulating hydrocarbon-bearing formations Grant 11,168,246 - Purdy , et al. November 9, 2 | 2021-11-09 |
| Novel Corrosion Inhibitor For Various Acids App 20210340427 - PURDY; Clay ; et al. | 2021-11-04 |
| Hard Surface Cleaner App 20210309935 - Purdy; Clay ; et al. | 2021-10-07 |
| Synthetic Caustic Composition App 20210276877 - PURDY; Clay ; et al. | 2021-09-09 |
| Modified Sulfuric Acid And Uses Thereof App 20210269394 - Purdy; Clay ; et al. | 2021-09-02 |
| Modified Sulfuric Acid And Uses Thereof App 20210269970 - Purdy; Clay ; et al. | 2021-09-02 |
| Modified Alkanesulfonic Acid And Uses Thereof App 20210269971 - Purdy; Clay ; et al. | 2021-09-02 |
| Using synthetic acid compositions as alternatives to conventional acids in the oil and gas industry Grant 11,098,241 - Purdy , et al. August 24, 2 | 2021-08-24 |
| Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20210253936 - Purdy; Clay ; et al. | 2021-08-19 |
| Novel Downhole Methods And Compositions Used in Such App 20210230476 - Purdy; Clay ; et al. | 2021-07-29 |
| Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20210207017 - Purdy; Clay ; et al. | 2021-07-08 |
| Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20210198561 - Purdy; Clay ; et al. | 2021-07-01 |
| Synthetic caustic composition Grant 11,046,588 - Purdy , et al. June 29, 2 | 2021-06-29 |
| Novel Modified Acid Compositions App 20210189226 - Purdy; Clay ; et al. | 2021-06-24 |
| Use of Sulfonic Acids in Downhole Methods App 20210189855 - Purdy; Clay ; et al. | 2021-06-24 |
| Using Synthetic Acid Compositions as Alternatives to Conventional Acids in The Oil And Gas Industry App 20210130680 - Purdy; Clay ; et al. | 2021-05-06 |
| Novel Synthetic Caustic Composition App 20210122971 - PURDY; Clay ; et al. | 2021-04-29 |
| Modified acid compositions as alternatives to conventional acids in the oil and gas industry Grant 10,982,133 - Purdy , et al. April 20, 2 | 2021-04-20 |
| Composition Useful In Metal Sulfide Scale Removal App 20210102300 - PURDY; Clay ; et al. | 2021-04-08 |
| Composition to Reduce Friction Reducer Fouling in Wellbores App 20210079292 - Purdy; Clay ; et al. | 2021-03-18 |
| Synthetic caustic composition Grant 10,947,123 - Purdy , et al. March 16, 2 | 2021-03-16 |
| Synthetic caustic composition Grant 10,913,890 - Purdy , et al. February 9, 2 | 2021-02-09 |
| Composition Useful in Sulfate Scale Removal App 20210009890 - Purdy; Clay ; et al. | 2021-01-14 |
| Modified acid compositions as alternatives to conventional acids in the oil and gas industry Grant 10,822,535 - Purdy , et al. November 3, 2 | 2020-11-03 |
| Novel Mud Acid Composition And Methods Of Using Such App 20200317996 - PURDY; Clay ; et al. | 2020-10-08 |
| Novel Inhibited Hydrofluoric Acid Composition App 20200317516 - PURDY; Clay ; et al. | 2020-10-08 |
| Novel Inhibitied Hydrofluoric Acid Composition App 20200318009 - PURDY; Clay ; et al. | 2020-10-08 |
| Composition Useful in Sulfate Scale Removal App 20200308472 - Purdy; Clay ; et al. | 2020-10-01 |
| Novel Organic Acid Systems App 20200291287 - PURDY; Clay ; et al. | 2020-09-17 |
| Novel Downhole Methods App 20200263080 - Purdy; Clay ; et al. | 2020-08-20 |
| Using Synthetic Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20200224085 - Purdy; Clay ; et al. | 2020-07-16 |
| Novel Alkylsulfonic Acid Compositions App 20200224321 - Purdy; Clay ; et al. | 2020-07-16 |
| Corrosion Inhibition Package App 20200224097 - Purdy; Clay ; et al. | 2020-07-16 |
| Using Synthetic Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20200224086 - Purdy; Clay ; et al. | 2020-07-16 |
| Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20200165508 - Purdy; Clay ; et al. | 2020-05-28 |
| Novel Corrosion Inhibition Package App 20200032400 - PURDY; Clay ; et al. | 2020-01-30 |
| Novel Corrosion Inhibition Package App 20190390352 - PURDY; Clay ; et al. | 2019-12-26 |
| Novel Downhole Methods App 20190345807 - Purdy; Clay ; et al. | 2019-11-14 |
| Novel Downhole Methods App 20190345376 - Purdy; Clay ; et al. | 2019-11-14 |
| Using Synthetic Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20190292440 - Purdy; Clay ; et al. | 2019-09-26 |
| Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20190194528 - Purdy; Clay ; et al. | 2019-06-27 |
| Novel Synthetic Caustic Composition App 20190144293 - PURDY; Clay ; et al. | 2019-05-16 |
| Novel Synthetic Caustic Composition App 20190144740 - PURDY; Clay ; et al. | 2019-05-16 |
| Novel Synthetic Caustic Composition App 20190144741 - PURDY; Clay ; et al. | 2019-05-16 |
| Novel Synthetic Caustic Composition App 20190144739 - PURDY; Clay ; et al. | 2019-05-16 |
| Composition Useful In Sulfate Scale Removal App 20190071597 - PURDY; Clay ; et al. | 2019-03-07 |
| Novel Modified Acid Compositions as Alternatives to Conventional Acids in the Oil and Gas Industry App 20190040298 - Purdy; Clay ; et al. | 2019-02-07 |
| Hydrocarbon Stimulation By Energetic Chemistry App 20150337638 - LAWRENCE; Sally ; et al. | 2015-11-26 |
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