Quotables
"If you build a better mousetrap, you will catch better mice."
George Gobel
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4078607 | Oil recovery process using improved thickened aqueous flooding liquids The specification discloses a process for recovering oil from a subterranean reservoir which process utilizes a thickened flooding liquid containing polysaccharide B-1459. In the process the polysaccharide B-1459 is imparted with superior viscosity by fir... | 03/14/1978 |
| 4078332 | Method and apparatus for the synthesis of alga biopolymer This specification discloses a method and apparatus for the synthesis of alga biopolymer. The method is comprised of two stages and involves subjecting an aqueous culture containing alga cells and nutrients required for the growth of the alga cells to a f... | 03/14/1978 |
| 4068714 | Method for acidizing subterranean formations Gelled acidic compositions suitable for either matrix acidizing or fracture-acidizing of subterranean formations, and methods of using said compositions in acidizing operations, are provided. Said compositions comprise water, a water-dispersible biopolysa... | 01/17/1978 |
| 4067389 | Hydraulic fracturing technique This specification discloses a technique of hydraulically fracturing a subterranean formation wherein there is used a fracturing fluid comprised of an aqueous solution of an interaction product of a polysaccharide and a galactomannan.... | 01/10/1978 |
| 4039028 | Mobility control of aqueous fluids in porous media A composition and method for providing improved mobility control in secondary and tertiary recovery processes obtained by injecting into a subterranean hydrocarbon-bearing formation, as part of the secondary or tertiary recovery fluid, an aqueous solution... | 08/02/1977 |
| 4029544 | Method of making a novel starch derivative and the product produced thereby The use in the manufacture of paper of additives comprising derivatives of starches having particular levels of water fluidity and which contain controlled proportions of cationogenic or cationic substituent groups as well as sulfo-succinate groups. The r... | 06/14/1977 |
| 4026355 | Method for testing and monitoring for producing landfill gas A method of withdrawing landfill gas from a landfill without drawing air into the landfill comprising providing a well in the landfill and withdrawing landfill gas from the well at a plurality of different withdrawal rates. The pressure at a selected regi... | 05/31/1977 |
| 4002204 | Timing the deposition of an asphalt plugging material from an asphalt-cationic emulsion In plugging a relatively low temperature subterranean earth formation by injecting a cationic emulsion that contains an asphalt and a pH-increasing reactant that subsequently breaks the emulsion, the timing of the emulsion breaking is improved by using a ... | 01/11/1977 |
| 3982995 | Method of converting oil shale into a fuel The invention relates to a method for converting oil shale into a fuel by contacting oil shale with a bacteria capable of producing an acid that will dissolve a portion of the inorganic lattice structure of oil shale which is thereby made porous or sponge... | 09/28/1976 |
| 3966618 | Clarification of xanthan gum Fermentation broths and other aqueous suspensions containing a dissolved xanthan gum and suspended solids resulting from the fermentation producing the xanthan gum are clarified by treatment with a minor amount of a protease enzyme. The injectivity of aqu... | 06/29/1976 |
| 3965985 | Microbial synthesis from aldehyde containing hydrocarbon derived products Proteins, amino acids, gums, and other valuable fermentation products are efficiently biosynthesized from hydrocarbon derived feedstocks containing aldehydes which have been admixed with a nitrogen-containing compound before being passed to a fermentor.... | 06/29/1976 |
| 3937520 | In situ mining using bacteria Mineral values are recovered in situ by generating a leaching agent in the formation containing the mineral to be recovered.... | 02/10/1976 |
