The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Dec. 19, 2003
Gary Woodward, Cheshire, GB;
Graham Philip Otter, Worcestershire, GB;
Keith Philip Davis, Staffordshire, GB;
Kim Carmichael, Coventry, GB;
Gary Woodward, Cheshire, GB;
Graham Philip Otter, Worcestershire, GB;
Keith Philip Davis, Staffordshire, GB;
Kim Carmichael, Coventry, GB;
Rhodia Consumer Specialties Limited, Hertfordshire, GB;
Abstract
A phosphorus-containing polymer is provided comprising the reaction product of a chain-transfer agent having at least one pH bond with an unsaturated carboxylic, phosphonic or sulphonic acid. The invention also provides the aforementioned phosphorus-containing polymer further comprising phosphorus-containing end-caps. The polymers have a biodegradability of at least 20% per 28 days (as determined by OECD 306).