.alpha.-olefin/maleic anhydride copolymers as antifoulants in qu

1,3-Dihydroxy acetone as an oxygen scavenger for water

2,3-dihydroxyterephthalamides as highly effective metal ion sequ

2-stage ultrafiltration process for photographic emulsions

4-alkyl and aryl semicarbazides as oxygen scavengers

Abatement of hydrogen sulfide with epoxides

Above ground waste water disposal system

Abrasion-resistant carrier catalyst

Absorbent agents for clean-up of liquid hydrocarbons

Absorbent of .beta..sub.2 -microglobulin

Absorbent pillow

Absorbents

Absorption field reclamation and maintenance system

Absorption of materials

Absorptive sludge dewatering process for papermaking waste

Accelerated remediation using tree crops

Accelerated solvent extraction method

Access valve devices, their use in separation apparatus and corr

Access valve devices, their use in separation apparatus, and...

Access valve devices, their use in separation apparatus, and...